1 00:00:00,000 --> 00:00:10,000 This program is not science fiction. 2 00:00:10,000 --> 00:00:18,000 It is a report on science's very real search today for the existence of life on other worlds. 3 00:00:18,000 --> 00:00:24,000 A search by microscope examining the smallest particles of matter in nature, 4 00:00:24,000 --> 00:00:28,000 by telescope viewing the largest objects in space, 5 00:00:28,000 --> 00:00:32,000 a probe into distant galaxies and star clusters, 6 00:00:32,000 --> 00:00:37,000 looking with the enormous eyes of the optical telescopes, 7 00:00:37,000 --> 00:00:44,000 and listening with the electronic ears of the radio telescope for signals from outer space. 8 00:00:44,000 --> 00:00:51,000 And eventually this search will be carried on by man himself through interplanetary travel. 9 00:00:55,000 --> 00:01:04,000 The elements that exist here on Earth and the chemistry of our world are the same as on the most distant star. 10 00:01:04,000 --> 00:01:10,000 If the atom, one of the smallest particles of matter, and the galaxy, 11 00:01:10,000 --> 00:01:16,000 the largest mass in the visible universe are governed by the same physical laws, 12 00:01:16,000 --> 00:01:22,000 then life might well have evolved from the hydrogen atom in space. 13 00:01:22,000 --> 00:01:29,000 It continued to the development of the human brain and may have repeated a similar process 14 00:01:29,000 --> 00:01:35,000 unnumbered times in the hundreds of billions of worlds abounding in the cosmos, 15 00:01:35,000 --> 00:01:42,000 making the probability great that intelligent creatures beside Earthman, people the universe. 16 00:01:42,000 --> 00:01:54,000 On just the beginning of this search for life on other planets, 17 00:01:54,000 --> 00:02:01,000 the American taxpayer is spending two billion dollars in probes of Mars alone. 18 00:02:01,000 --> 00:02:08,000 Nobel Prize-winning scientist Dr. Harold Urie says of the cost of the space program, 19 00:02:08,000 --> 00:02:13,000 some people say that we can't afford the space program, 20 00:02:13,000 --> 00:02:19,000 but I say the Greeks couldn't afford the plasma, 21 00:02:19,000 --> 00:02:23,000 and the Egyptians couldn't afford the pyramids, 22 00:02:23,000 --> 00:02:27,000 and middle ages couldn't afford the great procedural superiority. 23 00:02:27,000 --> 00:02:32,000 We could have always spent this money, as they say, for something else, 24 00:02:32,000 --> 00:02:35,000 but you know we can't afford the space program. 25 00:02:35,000 --> 00:02:41,000 It may be proved that life existed on Mars or ever did exist on Mars. 26 00:02:41,000 --> 00:02:46,000 In my opinion it would be one of the most horrendous discoveries of this century. 27 00:03:05,000 --> 00:03:14,000 We are not alone. 28 00:03:14,000 --> 00:03:20,000 It's brought to you by B. F. Goodrich, the name that sells quality, 29 00:03:20,000 --> 00:03:31,000 entire chemicals, plastics, footwear, products for home, industry and aviation. 30 00:03:31,000 --> 00:03:36,000 B. F. Goodrich. 31 00:03:44,000 --> 00:03:52,000 Philip! Philip! Isn't this the day you were going to buy new tires? 32 00:03:52,000 --> 00:03:56,000 Philip! 33 00:04:01,000 --> 00:04:06,000 Why is it tire buying day always seems like the morning after? 34 00:04:06,000 --> 00:04:12,000 All the waiting around, the endless confusion about the right tire to buy, 35 00:04:12,000 --> 00:04:17,000 and the biggest blow of all, the money it costs. 36 00:04:17,000 --> 00:04:22,000 Now, B. F. Goodrich doesn't give away free tires, 37 00:04:22,000 --> 00:04:25,000 but if tire buying day drags you down, 38 00:04:25,000 --> 00:04:29,000 we'll wake you up with a brand new way of doing business. 39 00:04:29,000 --> 00:04:34,000 No confusing tire talk, just straight talk. 40 00:04:34,000 --> 00:04:38,000 We've got nothing up our sleeves except this, 41 00:04:38,000 --> 00:04:45,000 a special tire value calculator that'll find you the right tire at the right price. 42 00:04:45,000 --> 00:04:50,000 The lowest price B. F. Goodrich tire for the way you drive. 43 00:04:50,000 --> 00:04:54,000 Well you may be so happy at the money B. F. Goodrich can save you. 44 00:04:54,000 --> 00:04:59,000 You want to bring something home to your wife. 45 00:04:59,000 --> 00:05:03,000 B. F. Goodrich. 46 00:05:03,000 --> 00:05:07,000 The straight talk tire people. 47 00:05:07,000 --> 00:05:11,000 Here now your narrator, Edward P. Morgan. 48 00:05:11,000 --> 00:05:15,000 The fixed stars in our firmament have, through the ages, 49 00:05:15,000 --> 00:05:18,000 given man a feeling of security. 50 00:05:18,000 --> 00:05:23,000 We have always wanted to believe that we have our feet firmly planted 51 00:05:23,000 --> 00:05:28,000 on a solid earth with a protective heaven above. 52 00:05:28,000 --> 00:05:32,000 But science has continually whittled away at this idea. 53 00:05:32,000 --> 00:05:36,000 For some time we have known that our earth, in reality, 54 00:05:36,000 --> 00:05:41,000 is only a changing ball of rock and soil, water and air, 55 00:05:41,000 --> 00:05:44,000 held together by a tenuous gravity, 56 00:05:44,000 --> 00:05:49,000 spinning and whirling in space around our sun. 57 00:05:49,000 --> 00:05:52,000 And even as a planet we are not very special, 58 00:05:52,000 --> 00:05:57,000 being only one of nine in orbit around the mother sun. 59 00:05:57,000 --> 00:06:04,000 Our sun itself, a star and only a small middle aged one as stars go, 60 00:06:04,000 --> 00:06:09,000 is a kind of lost child on the outskirts of its galaxy, 61 00:06:09,000 --> 00:06:13,000 which we can see in the sky as the Milky Way. 62 00:06:13,000 --> 00:06:18,000 It is only one of hundreds of billions of stars in our galaxy, 63 00:06:18,000 --> 00:06:22,000 which is only one of hundreds of billions of galaxies, 64 00:06:22,000 --> 00:06:26,000 all of which are in constant motion. 65 00:06:26,000 --> 00:06:32,000 If we are not unchanging in space, neither are we eternal in time. 66 00:06:32,000 --> 00:06:39,000 Our sun, five billion years old, will, in another five billion years or so, 67 00:06:39,000 --> 00:06:45,000 burn itself out, and in doing so expand and absorb all its planets, 68 00:06:45,000 --> 00:06:49,000 as countless other stars have done before. 69 00:06:49,000 --> 00:06:54,000 Our sun's only real distinction that we know of thus far, 70 00:06:54,000 --> 00:06:58,000 is that it has people whirling around it. 71 00:06:58,000 --> 00:07:03,000 The question is, might this have happened elsewhere in the universe, 72 00:07:03,000 --> 00:07:06,000 or are we alone? 73 00:07:06,000 --> 00:07:11,000 It was recently discovered that stars and gases in space 74 00:07:11,000 --> 00:07:18,000 emit natural radio waves, which can be picked up and amplified by radio telescopes. 75 00:07:18,000 --> 00:07:22,000 The Jodrell Bank radio telescope in England, 76 00:07:22,000 --> 00:07:27,000 the Green Bank radio telescope in West Virginia, 77 00:07:27,000 --> 00:07:34,000 and this one at Arrasibo in Puerto Rico, can be called man's largest ears. 78 00:07:34,000 --> 00:07:38,000 The bowl of the telescope, a thousand feet across, 79 00:07:38,000 --> 00:07:43,000 made of half-inch wire mesh, acts as a reflector, 80 00:07:43,000 --> 00:07:49,000 able to focus even extremely weak radio signals from space. 81 00:07:49,000 --> 00:07:52,000 In searching for life on other worlds, 82 00:07:52,000 --> 00:07:56,000 the theory is that intelligent civilizations in the universe 83 00:07:56,000 --> 00:08:02,000 would use natural radio frequencies as a means of communicating with one another. 84 00:08:02,000 --> 00:08:06,000 By listening to signals from interstellar space, 85 00:08:06,000 --> 00:08:12,000 intelligent codes could be distinguished from the patterns of natural radio waves. 86 00:08:12,000 --> 00:08:19,000 Radio astronomer of Cornell University and director of the Arrasibo Ionospheric Observatory, 87 00:08:19,000 --> 00:08:24,000 Dr. Frank Drake, conducted Project OSMA, 88 00:08:24,000 --> 00:08:29,000 the first search for intelligent life in space by radio telescope. 89 00:08:29,000 --> 00:08:35,000 Some years ago, it was suggested by Professors Morrison and Kikoni at Cornell 90 00:08:35,000 --> 00:08:41,000 that there might be other civilizations in space attempting to send us messages. 91 00:08:41,000 --> 00:08:46,000 We use very sensitive and ingenious detecting devices 92 00:08:46,000 --> 00:08:52,000 to search for intelligent signals amongst static which comes to us from the interstellar space. 93 00:08:52,000 --> 00:08:57,000 Well, in 1960, we made a short search for such signals. 94 00:08:57,000 --> 00:09:02,000 With existing telescopes, such as the 85-foot telescope at Greenbank, 95 00:09:02,000 --> 00:09:05,000 using the 21-centimeter line frequency, 96 00:09:05,000 --> 00:09:09,000 and we looked at... there was time, in fact, to look at only two stars, 97 00:09:09,000 --> 00:09:13,000 the ones we picked, of course, with the two nearest stars, which are like the sun. 98 00:09:13,000 --> 00:09:18,000 The stars toss cede, and the constellation of Cetus the whale, 99 00:09:18,000 --> 00:09:22,000 and epsilon arrhythmia, and the constellation of arrhythmia. 100 00:09:22,000 --> 00:09:26,000 We found no evidence for extraterrestrial intelligence signals. 101 00:09:26,000 --> 00:09:30,000 And now we must realize that this was an extremely limited search, 102 00:09:30,000 --> 00:09:34,000 and the fact that we found nothing should not discourage us 103 00:09:34,000 --> 00:09:38,000 or cause us to think that any future search is going to fail. 104 00:09:38,000 --> 00:09:44,000 One can estimate that a search which has a good chance of succeeding will take perhaps 30 years. 105 00:09:44,000 --> 00:09:49,000 But if one is going to make a realistic search, this is what is required, 106 00:09:49,000 --> 00:09:54,000 and anything less than this is really not worth the effort because the chance of success is so small. 107 00:09:54,000 --> 00:09:59,000 Surely the results of the detection of extraterrestrial signals 108 00:09:59,000 --> 00:10:03,000 are going to be one of the most exciting things that ever happened. 109 00:10:03,000 --> 00:10:07,000 While some scientists in the discipline of astronomy 110 00:10:07,000 --> 00:10:13,000 pressed the search for intelligent life in the distant stellar regions beyond our solar system 111 00:10:13,000 --> 00:10:18,000 with the big ears and eyes of the radio and optical telescopes, 112 00:10:18,000 --> 00:10:22,000 some, perhaps more down-to-earth investigators, 113 00:10:22,000 --> 00:10:27,000 feel they would be making an historic discovery by a less ambitious find. 114 00:10:27,000 --> 00:10:31,000 These men are called exobiologists. 115 00:10:31,000 --> 00:10:35,000 They are looking for microbiologic forms of life, 116 00:10:35,000 --> 00:10:40,000 lesser than intelligent man, and perhaps higher than the lowly virus, 117 00:10:40,000 --> 00:10:48,000 something between the organic molecule and the bacteria that might have evolved outside the Earth. 118 00:10:48,000 --> 00:10:54,000 The most likely candidates for such a search are the planets Mars and Venus, 119 00:10:54,000 --> 00:10:58,000 Earth's nearest neighbors in the solar system. 120 00:10:58,000 --> 00:11:06,000 The Mariner spacecraft has been our principal vehicle for unmanned planetary exploration. 121 00:11:06,000 --> 00:11:11,000 The planetary program is carried out by the Jet Propulsion Laboratory, 122 00:11:11,000 --> 00:11:18,000 operated by the California Institute of Technology for the National Aeronautics and Space Administration. 123 00:11:18,000 --> 00:11:22,000 Dr. William H. Pickering is the director. 124 00:11:22,000 --> 00:11:26,000 Mars and Venus, of course, are the two closest planets to the Earth. 125 00:11:26,000 --> 00:11:30,000 In some ways we know more about Mars than we do about Venus, 126 00:11:30,000 --> 00:11:34,000 because Venus is always covered with clouds. 127 00:11:34,000 --> 00:11:38,000 We do not believe we have ever seen down to the surface of Venus. 128 00:11:38,000 --> 00:11:41,000 That is with a telescope from the Earth. 129 00:11:41,000 --> 00:11:47,000 Whereas in the case of Mars, we usually see the surface of Mars. 130 00:11:47,000 --> 00:11:53,000 Mars, on the other hand, is a planet which astronomers for many years have compared with the Earth. 131 00:11:53,000 --> 00:11:56,000 The size is a little smaller than the Earth. 132 00:11:56,000 --> 00:12:00,000 It happens that the day on Mars is almost exactly the same length as the day on the Earth. 133 00:12:00,000 --> 00:12:04,000 The year is about twice as long as the year on the Earth. 134 00:12:04,000 --> 00:12:08,000 The seasons change in the same manner that they do on the Earth. 135 00:12:08,000 --> 00:12:14,000 In other words, the spin axis of Mars is tilted about the same way that the axis of the Earth is tilted. 136 00:12:14,000 --> 00:12:22,000 All of this has led astronomers to compare Mars with the Earth in many ways. 137 00:12:22,000 --> 00:12:27,000 And of course the one comparison which one must always make is, 138 00:12:27,000 --> 00:12:28,000 what about life? 139 00:12:28,000 --> 00:12:33,000 Is Mars a suitable planet for life as we know it? 140 00:12:33,000 --> 00:12:35,000 It is feasible. 141 00:12:35,000 --> 00:12:39,000 And what we know about life on Earth, that life could exist on Mars. 142 00:12:39,000 --> 00:12:46,000 Dr. Richard S. Young, Chief of the Exobiology Division of NASA's Ames Research Center. 143 00:12:46,000 --> 00:12:54,000 Life on Earth probably arose as the result of a very natural sequence of events. 144 00:12:54,000 --> 00:13:00,000 We think we know what the primitive atmosphere of the Earth was like before there was any life on the Earth. 145 00:13:00,000 --> 00:13:06,000 We think we know what types of energies were available on the primitive Earth before there was any life on Earth. 146 00:13:06,000 --> 00:13:14,000 The biological evolution took over and the atmosphere was changed rather drastically until we have the sort of atmosphere we have on the Earth today. 147 00:13:14,000 --> 00:13:18,000 And we have the tremendous diversity of life that we have today. 148 00:13:18,000 --> 00:13:24,000 A subsequent result over the next, say, three billion years of biological evolution. 149 00:13:25,000 --> 00:13:33,000 In fact, then, just about any primitive planet during its early history should have undergone a similar sequence of events. 150 00:13:33,000 --> 00:13:40,000 They were formed obeying the same laws of physics and chemistry that should have had the same type of primitive atmosphere 151 00:13:40,000 --> 00:13:44,000 and probably underwent chemical evolution much the same way the Earth did. 152 00:13:44,000 --> 00:13:47,000 Now what we need is proof of that. 153 00:13:47,000 --> 00:13:57,000 If we can find life on one planet, St. Mars, then it is very probable that elsewhere within our own galaxy 154 00:13:57,000 --> 00:14:02,000 there must certainly be planets comparable to Earth with life forms comparable to Earth. 155 00:14:06,000 --> 00:14:16,000 The optical telescope has been the principal tool of astronomers for studying the stars and the planets from the days of Galileo centuries ago. 156 00:14:16,000 --> 00:14:25,000 The 200-inch mirror in the Palomar Observatory Telescope in California can be called man's largest eye. 157 00:14:25,000 --> 00:14:31,000 It can bring into view the farthest observable objects in the universe, called quasars. 158 00:14:31,000 --> 00:14:38,000 Points of light believe to be billions of light years away and moving away from us at incredible speeds. 159 00:14:39,000 --> 00:14:45,000 Another kind of telescope is the 26-inch refractor or direct-view telescope, 160 00:14:45,000 --> 00:14:50,000 like this one at the United States Naval Observatory in Washington, D.C. 161 00:14:50,000 --> 00:14:58,000 To find planets comparable to Earth, revolving around stars comparable to our Sun, 162 00:14:58,000 --> 00:15:08,000 Dr. Kai Strand, scientific director of the observatory and his former colleague Dr. Peter Van Decamp of Swarthmore College, 163 00:15:08,000 --> 00:15:11,000 used a telescope of this type. 164 00:15:11,000 --> 00:15:16,000 They wanted to verify the argument that planets are abundant in the universe. 165 00:15:16,000 --> 00:15:23,000 In 1963, Van Decamp announced the discovery of a planet orbiting a neighboring star, 166 00:15:23,000 --> 00:15:31,000 the first planet ever to be detected beyond our solar system, although it has never been directly seen. 167 00:15:31,000 --> 00:15:34,000 That depends what you mean by seen. 168 00:15:34,000 --> 00:15:40,000 Harvard astronomer Carl Sagan explains how the existence of this planet was deduced. 169 00:15:40,000 --> 00:15:47,000 The second nearest star system after the Sun is called Barnard's Star, 170 00:15:47,000 --> 00:15:50,000 named after an American astronomer, E.E. Barnard. 171 00:15:50,000 --> 00:16:01,000 And the motion of this star, of course, the sky, is not a more or less uniform line on the background stars, 172 00:16:01,000 --> 00:16:04,000 as you might expect, but instead oscillates. 173 00:16:04,000 --> 00:16:09,000 And the wiggly path is due to the presence of a dark companion. 174 00:16:09,000 --> 00:16:14,000 We don't see the dark companion, but we can quite reliably deduce its presence 175 00:16:14,000 --> 00:16:18,000 from the wiggles in the motion of this star. 176 00:16:18,000 --> 00:16:25,000 Let's suppose this is Jupiter and this is the Sun, and the two of them are moving, of course, to space together. 177 00:16:25,000 --> 00:16:30,000 However, Jupiter is also going around the Sun, and when Jupiter is on the side of the Sun, 178 00:16:30,000 --> 00:16:33,000 its gravitational attraction pulls the Sun a little bit that way. 179 00:16:33,000 --> 00:16:38,000 When it's on the other side of the Sun, it pulls the Sun a little bit that way. 180 00:16:38,000 --> 00:16:44,000 Also, as the Sun goes from space, it has, in addition to its ordinary motion that way, 181 00:16:44,000 --> 00:16:50,000 it has, let's say, an up-and-down wiggle due to the motion of the invisible Jupiter. 182 00:16:50,000 --> 00:16:54,000 And so the wiggle tells you the presence of Jupiter, and not only that, 183 00:16:54,000 --> 00:17:00,000 it tells you its mass and it tells you how far away it is. 184 00:17:00,000 --> 00:17:05,000 The existence of planetary systems around stars other than our own Sun 185 00:17:05,000 --> 00:17:15,000 is a scientifically established fact, and if, as we know, there are hundreds of billions of such Suns in our own galaxy alone, 186 00:17:15,000 --> 00:17:20,000 some leading astronomers dedicated to the idea that life does exist elsewhere 187 00:17:20,000 --> 00:17:27,000 have calculated the possible number of stars whose energy might support life. 188 00:17:27,000 --> 00:17:33,000 Astronomer Dr. Harlow Sheppley, Director Emeritus of Harvard College Observatory, 189 00:17:33,000 --> 00:17:39,000 who first measured the size of our galaxy, now retired to his New Hampshire farm, 190 00:17:39,000 --> 00:17:46,000 discusses cosmic matters with two young friends, Georgia and Emily Huffley. 191 00:17:46,000 --> 00:17:48,000 How many stars are there? 192 00:17:48,000 --> 00:17:51,000 In the sky, the whole sky, how many stars are there? 193 00:17:51,000 --> 00:17:58,000 Well, you can see a thousand stars, and you go out some clear dark night, a thousand stars, 194 00:17:58,000 --> 00:18:01,000 make or die stars, we call them, but if we put a telescope into action, 195 00:18:01,000 --> 00:18:07,000 we get deeper and deeper into space, and the further out we go, Emily, more stars we find. 196 00:18:07,000 --> 00:18:10,000 And so now, how many stars are there? 197 00:18:10,000 --> 00:18:17,000 Well, I've measured these galaxies and these stars and these shooting stars and so forth, 198 00:18:17,000 --> 00:18:22,000 and you know what I find out? That there are just billions of these galaxies. 199 00:18:22,000 --> 00:18:26,000 Now, a billion, you know what that billion is, it's a thousand million. 200 00:18:26,000 --> 00:18:31,000 Well, there are more than a thousand million of these galaxies in the sky, 201 00:18:31,000 --> 00:18:37,000 and each galaxy has more than ten thousand million stars, and so there's just lots of stars in the sky. 202 00:18:37,000 --> 00:18:39,000 I'll give you the number of few, try to remember. 203 00:18:39,000 --> 00:18:44,000 The number of stars is more than a hundred thousand million billion. 204 00:18:44,000 --> 00:18:48,000 Stars are not for everybody, see, if you want stars, you can have a lot of them. 205 00:18:48,000 --> 00:18:53,000 I don't know whether there's anybody living on those stars, not on the stars, 206 00:18:53,000 --> 00:18:56,000 it can't be on the stars, a sun, you can't be on the sun. 207 00:18:56,000 --> 00:18:57,000 Why? 208 00:18:57,000 --> 00:18:58,000 It's fire. 209 00:18:58,000 --> 00:19:01,000 Yes, it's too hot, that's it, much too hot. 210 00:19:01,000 --> 00:19:06,000 But planets, yes, you can live on it, that is here on this planet we can. 211 00:19:06,000 --> 00:19:10,000 You know any other planet where we might find life? 212 00:19:10,000 --> 00:19:11,000 Now? 213 00:19:11,000 --> 00:19:13,000 You ever hear of Mars? 214 00:19:13,000 --> 00:19:16,000 The planet Mars, that might have some life on it. 215 00:19:16,000 --> 00:19:20,000 It might have, and we'll have to get more and more observations, and then we'll come out. 216 00:19:20,000 --> 00:19:28,000 My guess is that there are more than a hundred million planets that have living things on them. 217 00:19:28,000 --> 00:19:32,000 By living, I mean like trees and grass and people of that kind. 218 00:19:32,000 --> 00:19:36,000 I think at least that many, and I'm a very conservative person. 219 00:19:36,000 --> 00:19:41,000 Our galaxy's wheel shape, you know, is flattened like this, but has a big center, 220 00:19:41,000 --> 00:19:45,000 and it has that hundred thousand million stars scattered all the way through it. 221 00:19:45,000 --> 00:19:49,000 It's rotating too, we've measured that, it's turning around. 222 00:19:49,000 --> 00:19:55,000 Long time and turning around, I'll tell you how long, it'll take about two hundred million years 223 00:19:55,000 --> 00:20:00,000 to make one complete turn around in our galaxy, where we are. 224 00:20:00,000 --> 00:20:02,000 Any other questions? 225 00:20:02,000 --> 00:20:05,000 How are the planets on? 226 00:20:05,000 --> 00:20:07,000 Oh, how are planets formed? 227 00:20:07,000 --> 00:20:15,000 Oh, that's a hard job, but I'll tell you, we think that once, long ago, long, long ago, 228 00:20:15,000 --> 00:20:20,000 there's a whole lot of dust and gas in space, and it contracted, it came together, 229 00:20:20,000 --> 00:20:26,000 and it got hotter and hotter, it came together, and it left off some chunks that went whirling around, 230 00:20:26,000 --> 00:20:29,000 and those were the things that became planets. 231 00:20:29,000 --> 00:20:34,000 So we had the sun, you see, built out of a shrinking nebula, we call it, 232 00:20:34,000 --> 00:20:40,000 out of that shrinking nebula, its sun, and it threw off these particular little chunks, 233 00:20:40,000 --> 00:20:45,000 little compared with the sun, and those little chunks developed into being the planets. 234 00:20:45,000 --> 00:20:53,000 We have the earth, once was gaseous nebulosity, we call it, it once was gas, 235 00:20:53,000 --> 00:20:57,000 and it shrunk down, and now it's hard, see how hard it is. 236 00:20:57,000 --> 00:21:02,000 We are not alone. We'll continue with Sciences Search for Life on Mars 237 00:21:02,000 --> 00:21:08,000 and the exploration of life's origin on earth after this message from the BF Goodrich Company. 238 00:21:12,000 --> 00:21:26,000 If you have little feet, big feet, bold feet, bold feet, casting feet, 239 00:21:27,000 --> 00:21:37,000 blasting feet, flantic feet, romantic feet, splashing feet, 240 00:21:37,000 --> 00:21:42,000 the F Goodrich is always coming up with innovations in footwear, 241 00:21:42,000 --> 00:21:47,000 innovations like the posture foundation wedge we build into the heels of sneakers 242 00:21:47,000 --> 00:21:51,000 to take the strain off foot and leg muscles, 243 00:21:51,000 --> 00:21:58,000 innovations in cold weather boots insulated to keep feet warm even at 25 below zero, 244 00:21:58,000 --> 00:22:02,000 innovations to protect workman's toes. 245 00:22:02,000 --> 00:22:07,000 As all kinds of fashion footwear, we make just the before of it. 246 00:22:21,000 --> 00:22:42,000 All from BF Goodrich, a company known for being pretty fast on its feet. 247 00:22:42,000 --> 00:22:46,000 Here again your narrator, Edward P. Morgan. 248 00:22:47,000 --> 00:22:51,000 If you were riding the nose cone of a rocket to the moon, 249 00:22:51,000 --> 00:22:56,000 this is what you would see as you approach the lunar surface for a landing. 250 00:22:56,000 --> 00:23:01,000 These pictures were made by television cameras in Ranger 9, 251 00:23:01,000 --> 00:23:08,000 the unmanned American picture taking expedition to the moon in March of 1965. 252 00:23:08,000 --> 00:23:13,000 Since then, thousands of spectacular close up pictures of the moon's surface 253 00:23:13,000 --> 00:23:21,000 have been returned by Surveyor One, which soft landed on the moon in June of 1966. 254 00:23:21,000 --> 00:23:26,000 Pictures from the probe of lunar orbiter in August of 1966 255 00:23:26,000 --> 00:23:31,000 showed our planet as seen from the vicinity of the moon. 256 00:23:31,000 --> 00:23:37,000 This representation of the lunar landscape shows us what a man might see from the moon, 257 00:23:37,000 --> 00:23:43,000 a bright sun in a sky black as night due to the lack of light diffusion by an atmosphere, 258 00:23:43,000 --> 00:23:51,000 and the earth visible in the lunar night hanging in its black sky like an oversized moon itself. 259 00:23:51,000 --> 00:23:57,000 Surveyor One and lunar orbiter returned much valuable information, 260 00:23:57,000 --> 00:24:01,000 and they have also shown us what we have known the moon to be, 261 00:24:01,000 --> 00:24:08,000 a body without atmosphere, without water, without life. 262 00:24:08,000 --> 00:24:16,000 Not unlike the moon in some aspects is Earth's neighbor in the solar system, the planet Mars. 263 00:24:16,000 --> 00:24:24,000 When in July of 1965, the Mariner 4 spacecraft completed a successful Mars flyby 264 00:24:24,000 --> 00:24:34,000 after a journey of 8 months and 325 million miles passing within 6,500 miles of the planet. 265 00:24:34,000 --> 00:24:44,000 21 pictures of the Martian surface were returned to Earth, including one of the most remarkable scientific photographs of this age, 266 00:24:44,000 --> 00:24:49,000 Mariner's 11th picture of Mars. 267 00:24:49,000 --> 00:24:59,000 Many scientists felt that this picture settled once and for all the century-long controversy over Martian canals. 268 00:24:59,000 --> 00:25:12,000 In 1877, the Italian astronomer Giovanni Schiaparelli claimed to have seen canals which he thought could be evidence for intelligent life on Mars. 269 00:25:12,000 --> 00:25:19,000 As late as 1908, the American astronomer Percival Lowell confirmed the sightings. 270 00:25:19,000 --> 00:25:29,000 The spacecraft Mariner was too far away in its flyby to be able to show decisively what exists on the Martian surface. 271 00:25:29,000 --> 00:25:37,000 But most scientists agree that if life does exist there, it will not be intelligent but of a very low order. 272 00:25:37,000 --> 00:25:44,000 Of course the early astronomers saw canals and saw a lot of other things, but Dr. Richard DeOrder has Ames Research Center. 273 00:25:44,000 --> 00:25:52,000 We no longer think canals really exist on Mars. We think they're primarily optical illusions. 274 00:25:52,000 --> 00:26:01,000 And then aren't something that the Martians constructed to transport water from the pole to the equator and keep the deserts wet and all that sort of thing. 275 00:26:01,000 --> 00:26:10,000 Mars has, although it's a harsh environment by biological standards, Mars has an atmosphere. 276 00:26:10,000 --> 00:26:24,000 It has a very rare atmosphere. The smaller planet has a lower gravitational field and its atmosphere is probably something like 1,100 or perhaps even closer to 1,000 of the total pressure on the surface of the Earth. 277 00:26:24,000 --> 00:26:33,000 It also contains water. Life can't exist without water, but the fact that Mars has water is terribly significant. 278 00:26:33,000 --> 00:26:38,000 Now unfortunately, from a biological point of view, the amount of water in the atmosphere of Mars is very slight. 279 00:26:38,000 --> 00:26:44,000 It's about 1,000 to 1,000th of the amount that one would detect in the Earth's atmosphere with a similar observation. 280 00:26:44,000 --> 00:26:51,000 There are other features of Mars that we're reasonably familiar with. Astronomers have been observing it for something approaching 100 years now. 281 00:26:51,000 --> 00:27:02,000 They've known that there are light areas and there are dark areas. The dark areas are assumed to be, at least by the early astronomers, were assumed to be vegetation. 282 00:27:02,000 --> 00:27:09,000 Light areas were assumed to be deserts. There are also pole caps on Mars which have been shown to be water. 283 00:27:09,000 --> 00:27:15,000 However, although they're pretty extensive, the total amount of water in these pole caps is very slight. 284 00:27:15,000 --> 00:27:22,000 There's probably nothing more than a layer of frost. However, these pole caps do recede seasonally. 285 00:27:22,000 --> 00:27:31,000 In the spring, the pole cap recedes. At the same time the pole cap is receding or disappearing, the dark areas are getting darker. 286 00:27:31,000 --> 00:27:45,000 Implying, at least to the early astronomers, that, well, water is becoming available now from the pole caps and the vegetation in the dark areas is literally inhaling the water and is flourishing during the spring. 287 00:27:45,000 --> 00:27:55,000 We really simply don't know enough about the intimate detail of the surface of Mars to critically analyze any of these visual phenomena. 288 00:27:55,000 --> 00:28:06,000 All we can do is speculate about them. And so far, the best of our speculations has failed to demonstrate that life on Mars must be ruled out. 289 00:28:06,000 --> 00:28:19,000 In fact, the best of what we know still leaves well within the range of possibility the idea that life may well exist on Mars and would be well worth the search, if you will. 290 00:28:19,000 --> 00:28:29,000 I feel that in the search for extraterrestrial life, there are three approaches. One first to the one that you named to go to Mars and see whether there's life there. 291 00:28:29,000 --> 00:28:38,000 The other one, which Frank Drake has for some time tried out, listening to radio communication from outer space. 292 00:28:38,000 --> 00:28:45,000 The third one is the one that we are working on here, retracing the path by which life appeared. 293 00:28:45,000 --> 00:28:57,000 Dr. Cyril Panam Paruma, chemist at Ames Research Center, is searching for answers to extraterrestrial life by studying the chemical evolution of life on Earth. 294 00:28:57,000 --> 00:29:08,000 From the information we have today, we know that the Earth is four and a half billion years old. Let me put that down as one of our starting points. 295 00:29:08,000 --> 00:29:23,000 Four point seven billion years is the exact date given. Life as we know it, or the first evidence of life in the fossil record, is about three billion. 296 00:29:23,000 --> 00:29:33,000 Now, biology or the Darwinian theory takes over from here. See, to find the life evolving into a whole variety of organisms. 297 00:29:33,000 --> 00:29:46,000 We know that mammals are around a hundred and sixty million, and then so on, we come to the evolution of man, finally. 298 00:29:46,000 --> 00:29:57,000 What went on before this, from the time the Earth was formed, or even further back, from the time the solar system was formed? 299 00:29:58,000 --> 00:30:07,000 This can be described as chemical evolution. We know that the solar system is about five billion. 300 00:30:07,000 --> 00:30:17,000 And then, if you go backwards in time, you come to the origin of the universe, which is greater than ten billion. 301 00:30:17,000 --> 00:30:23,000 Some for you, that's thirteen, some at twenty, but we know definitely it's more than ten billion years. 302 00:30:24,000 --> 00:30:32,000 Now, we have some starting points to go on. We know that ninety percent of the universe is hydrogen. 303 00:30:32,000 --> 00:30:42,000 So, the hydrogen, then, by a series of reactions during the birth of a star, gave rise to the other elements of the periodic table. 304 00:30:42,000 --> 00:30:51,000 Carbon, nitrogen, oxygen, and so on. In other words, you would have thermonuclear reactions taking place within a star. 305 00:30:51,000 --> 00:31:01,000 So, the idea of chemical evolution, then, is the gradual evolution of hydrogen, the initial matter of the universe, 306 00:31:01,000 --> 00:31:13,000 to give the elements of the periodic table, to give the constituents of the early Earth atmosphere, the methane, ammonia, and water. 307 00:31:14,000 --> 00:31:24,000 Simple chemistry deltas of the carbon will be in the form of methane. The nitrogen will be in the form of ammonia, and the oxygen will be in the form of water. 308 00:31:24,000 --> 00:31:30,000 So, the early atmosphere of the planet would have been made up of methane, ammonia, and water. 309 00:31:30,000 --> 00:31:41,000 From here on, we visualize what happens. The early atmosphere being acted upon by lightning, or the water that lies from the sun or heat, 310 00:31:41,000 --> 00:31:48,000 producing organic molecules till the early oceans became something like a primordial soup. 311 00:31:48,000 --> 00:31:58,000 So, from a primitive atmosphere, we are hoping to go to this stage when the two molecules that are important to living things, 312 00:31:58,000 --> 00:32:05,000 the nucleic acid and the protein, will form. First molecules capable of replication. 313 00:32:05,000 --> 00:32:17,000 So, it's a stepwise process. It appears to be a beautiful plan going all the way from the hydrogen atom till the time you get to the intelligent human being. 314 00:32:17,000 --> 00:32:25,000 So, there, it is a coherent story. It is something which appears most logical. It is rational. 315 00:32:26,000 --> 00:32:34,000 So, the discovery of life on Mars to people studying the origin of life will be the greatest thing. 316 00:32:34,000 --> 00:32:41,000 As a matter of fact, in my mind, the search for extraterrestrial life is only part of the study of the origin of life. 317 00:32:41,000 --> 00:32:46,000 This is the scientifically broader question, the origin of life in the universe. 318 00:32:47,000 --> 00:32:58,000 And going to Mars is a unique opportunity that we have, perhaps the one only opportunity that we have of showing this to the entire life on Mars. 319 00:32:58,000 --> 00:33:05,000 And especially if we can show that its origin is different from the origin of life on Earth, or it is independent, 320 00:33:05,000 --> 00:33:11,000 then we will have a very hard thing on certain expression of uniqueness in life. 321 00:33:12,000 --> 00:33:18,000 New York Times Science Editor, Walter Sullivan, author of the book on which this program is based, 322 00:33:18,000 --> 00:33:24,000 raised this question with Nobel Prize-winning chemist, Dr. Harold Urey. 323 00:33:24,000 --> 00:33:32,000 Dr. Urey, a lot of the discussion on the origin of life boils down to the question of whether there are other worlds, other solar systems. 324 00:33:32,000 --> 00:33:34,000 You believe there are. 325 00:33:34,000 --> 00:33:42,000 It is my belief that if you have conditions such as we have on the Earth, life will spontaneously appear. 326 00:33:42,000 --> 00:33:51,000 I don't know how long it takes, maybe a million years, maybe a billion years, but sometimes life as we know it will appear. 327 00:33:51,000 --> 00:34:00,000 Every indication is that the properties of the elements and the most distant stars that we look at are the same, 328 00:34:01,000 --> 00:34:04,000 as those that we have on Earth. 329 00:34:04,000 --> 00:34:08,000 The physical universe is the same everywhere. 330 00:34:08,000 --> 00:34:10,000 That is our conclusion. 331 00:34:10,000 --> 00:34:16,000 The laws are the same as far as we go, as we understand them. 332 00:34:16,000 --> 00:34:27,000 And this of course means that the chemistry of carbon, nitrogen, oxygen, hydrogen, the four abundant elements in living things, 333 00:34:27,000 --> 00:34:34,000 the chemical properties of these elements will be the same wherever we are in the universe. 334 00:34:34,000 --> 00:34:46,000 And therefore we expect that they will have the capacity to evolve into what we would call living organisms, no matter where we go. 335 00:34:46,000 --> 00:34:50,000 Now, we don't expect that they will be the same. 336 00:34:50,000 --> 00:34:57,000 Dr. Philip Morrison is Professor of Physics at the Massachusetts Institute of Technology. 337 00:34:57,000 --> 00:35:06,000 The evolution of a complex being, certainly of man, and of any other vertebrates, right, is a very chancey thing. 338 00:35:06,000 --> 00:35:11,000 You can show that there were many, many choices that had to be made just to choose this end on rather than that. 339 00:35:11,000 --> 00:35:14,000 And if it hadn't been that way, it wouldn't have gone completely differently. 340 00:35:14,000 --> 00:35:19,000 So from there, you look at the place you've come to and you say, well, it was impossible to get here. 341 00:35:19,000 --> 00:35:24,000 And they say, therefore, it will never happen again in the same way. That's the general view. 342 00:35:24,000 --> 00:35:33,000 I mean, I mean, if you look at the, that's right, but if you look at the results, it's quite different. 343 00:35:33,000 --> 00:35:42,000 If I look, go down to the museum across the park here, I can see very beautiful skeletons, impressions, fossil impressions, 344 00:35:42,000 --> 00:35:48,000 and even impressions of the fleshy parts in the soft stone from a beast. 345 00:35:48,000 --> 00:35:50,000 I'd forgotten his name. 346 00:35:50,000 --> 00:35:51,000 Precious sword. 347 00:35:51,000 --> 00:35:52,000 Precious sword? 348 00:35:52,000 --> 00:35:53,000 Yes. 349 00:35:53,000 --> 00:35:55,000 You played that's right, all right. 350 00:35:55,000 --> 00:36:02,000 Who is really a reptile and was extinct for some hundreds of millions of years, 351 00:36:02,000 --> 00:36:06,000 but who swam in the oceans in a pelagic way as a marine reptile. 352 00:36:06,000 --> 00:36:13,000 And he looks for all the world like a large torpedo-shaped object about eight or ten feet long. 353 00:36:13,000 --> 00:36:19,000 Now then, you look at a tuna, a big tuna. 354 00:36:19,000 --> 00:36:21,000 He looks very similar. 355 00:36:21,000 --> 00:36:24,000 Not at all a reptile, but a fish. 356 00:36:24,000 --> 00:36:28,000 Quite a difference and really a rather more primitive object. 357 00:36:28,000 --> 00:36:31,000 And finally, you may look at the dolphin. 358 00:36:31,000 --> 00:36:37,000 It was a mammal whose ancestors were in land mammals, air-breathing fellows like ourselves, 359 00:36:37,000 --> 00:36:40,000 and we still breathe every two weeks or minutes, comes up. 360 00:36:40,000 --> 00:36:48,000 But all of these beasts were beautifully adapted by flection, by many, many, many generations of careful fleshy and all kinds of genes, 361 00:36:48,000 --> 00:36:55,000 to be able to swim very well, make a living in the scale of eight or ten feet long by catching fast fish in the sea. 362 00:36:55,000 --> 00:37:01,000 There are many, many paths to get to Central Park, but when you get there, you've arrived the same place. 363 00:37:01,000 --> 00:37:04,000 If you look at many paths that you've taken, every turn, every streetlight, 364 00:37:04,000 --> 00:37:07,000 you certainly can't predict when I start out exactly how I'll go, 365 00:37:07,000 --> 00:37:13,000 but I'm pretty sure what the end is going to be, because that end is a set of statuette, and I persist when I'm there. 366 00:37:13,000 --> 00:37:16,000 If there's any chance for a form to evolve on the surface of the planet, 367 00:37:16,000 --> 00:37:19,000 I'm a very complex, rich form of life that's going to happen. 368 00:37:20,000 --> 00:37:28,000 Now, if this is true, if it seems reasonable to suppose that there's intelligence on many other planets, what will these fellows look like? 369 00:37:28,000 --> 00:37:36,000 I don't know, I think that's more like us than one might believe, 370 00:37:36,000 --> 00:37:44,000 but less like us than the common run of what we would regard as human, something in between. 371 00:37:44,000 --> 00:37:54,000 In other words, I don't think there'll be 50-foot skeletal figures with long, towering, with long, wirey arms. 372 00:37:54,000 --> 00:37:58,000 I don't think there'll be round, fierce, four-inches diameter. 373 00:37:58,000 --> 00:38:00,000 Simply for evolutionary reasons. 374 00:38:00,000 --> 00:38:04,000 Simply for evolutionary reasons. You've got to have certain size, not too big, not too small. 375 00:38:04,000 --> 00:38:07,000 You've got to be big enough to have this complicated machinery in it. It can't be too small. 376 00:38:07,000 --> 00:38:13,000 It can't be too big, or it's very hard to manage on a planet that if anything might become a composition we're talking about. 377 00:38:13,000 --> 00:38:17,000 But as to inconsequential things, I don't know. 378 00:38:17,000 --> 00:38:22,000 Now, some people go for it. Some people say, yes, the number of fingers will not be five. 379 00:38:22,000 --> 00:38:29,000 I think it'll be something like fingers. But I would be willing to believe there might be four, there might be eight, there might even be sixteen. 380 00:38:29,000 --> 00:38:33,000 But I don't think there'll be five hundred, I don't think there'll be one. 381 00:38:33,000 --> 00:38:45,000 We are not alone. We'll continue with the story of the race for planetary exploration and the UFO controversy after this message from the B.F. Goodrich Company. 382 00:38:47,000 --> 00:38:55,000 Meet Jeffrey Masters, nuclear physicist. When it comes to splitting atoms, nothing stunts Jeffrey. 383 00:38:55,000 --> 00:38:59,000 But when it comes to buying tires, everything does. 384 00:38:59,000 --> 00:39:05,000 Jeffrey is snowed by tire talk. 385 00:39:05,000 --> 00:39:10,000 Cross brace treads four ply rayon, second line, third line, fourth line. 386 00:39:10,000 --> 00:39:16,000 And faced with tire sizes and tire prices, he draws a blank. 387 00:39:16,000 --> 00:39:20,000 So Jeffrey has been sold some pretty peculiar tires. 388 00:39:20,000 --> 00:39:25,000 I think I did this. I think I did this. 389 00:39:25,000 --> 00:39:30,000 Jeffrey, you know there's got to be an easier way to buy tires. 390 00:39:30,000 --> 00:39:37,000 Come on over to B.F. Goodrich. We've got a brand new way of doing business. We call it straight talk. 391 00:39:37,000 --> 00:39:44,000 We know you don't know a lot of technical tires talk, but you know a lot about how you drive, right? 392 00:39:44,000 --> 00:39:48,000 Okay, take this, our B.F. Goodrich tire value calculator. 393 00:39:48,000 --> 00:39:51,000 Go on, work it yourself. Tell it how you drive. 394 00:39:51,000 --> 00:39:57,000 Now turn it over. It tells you what kind of B.F. Goodrich tire is best for you. 395 00:39:57,000 --> 00:40:03,000 You don't have to be confused anymore. You see just what you're getting, just what you're paying for. 396 00:40:03,000 --> 00:40:07,000 Jeffrey, what do you think of B.F. Goodrich straight talk? 397 00:40:07,000 --> 00:40:10,000 And, perfectly speaking, I explicitly endorse you. 398 00:40:10,000 --> 00:40:13,000 Yeah, thanks a lot, Jeff. Tell your friends. 399 00:40:13,000 --> 00:40:20,000 B.F. Goodrich, the straight talk tire people. 400 00:40:20,000 --> 00:40:25,000 Here again, ABC News correspondent Edward P. Morgan. 401 00:40:25,000 --> 00:40:33,000 Sometime in 1973, a spacecraft will take off from Earth. Its name will be Voyager. 402 00:40:33,000 --> 00:40:45,000 Voyager. 403 00:40:45,000 --> 00:40:52,000 The Voyager, a new kind of space vehicle, will begin a trek to the planet Mars. 404 00:40:52,000 --> 00:41:01,000 The first of a series of missions that will eventually carry sophisticated life detection devices to the Martian surface. 405 00:41:01,000 --> 00:41:09,000 The success of a Voyager mission would be a scientific breakthrough in our unmanned planetary program. 406 00:41:09,000 --> 00:41:17,000 It will be our first attempt to soft land an instrument package on another planet. 407 00:41:17,000 --> 00:41:37,000 Looking beyond Voyager to 1977, 1979, and the 1980s, space engineers are already at the hard, practical model stage of designing devices that are still emerging from the minds of scientific dreamers. 408 00:41:37,000 --> 00:41:47,000 One such device designed for a Mars life search is the automated biological laboratory called an ABL. 409 00:41:47,000 --> 00:41:54,000 One concept of it has been developed by the Aeronutronic Division of the Philco Corporation. 410 00:41:54,000 --> 00:42:03,000 It would operate remotely and automatically on Mars, so says space research engineer William Hostetler. 411 00:42:03,000 --> 00:42:18,000 There are several processes that have to be performed. First, you have to obtain physical samples of the surface of Mars, physical samples of the soil, because that's where the organisms will congregate if they are living organisms. 412 00:42:18,000 --> 00:42:32,000 I might comment, evidently, that we are concerned more with the lower forms of life, the molecular forms of life, rather than telephones and horses and so forth. 413 00:42:32,000 --> 00:42:36,000 We are prepared to take pictures of these things if they happen to be there. 414 00:42:36,000 --> 00:42:49,000 The ABL is divided really into three basic integrated subsystems. One of these is the sampling subsystem that is used to obtain the soil samples from the surface of Mars. 415 00:42:49,000 --> 00:43:00,000 At the very bottom of the ABL, directly underneath, there is a system that uses a brush and vacuum system to obtain samples of the Martian surface directly under the ABL. 416 00:43:00,000 --> 00:43:17,000 Also, there is a core drill system that drills into the surface about 10 feet to obtain subsurface samples in case the water availability or other conditions make it more likely as a place for Martian biological life. 417 00:43:17,000 --> 00:43:33,000 A second system picks up samples around the ABL with a sampler as you see here, which is located on a linking to the main body and will pick up samples generally around the ABL location. 418 00:43:33,000 --> 00:43:54,000 A third system is used for getting samples from a considerably further distance and in particular selected areas that the visual survey system has pointed out as being particularly desirable because possibly they are warmer than the surrounding spots or they have a different appearance that might appear to be vegetation or something of that nature. 419 00:43:54,000 --> 00:44:07,000 So, a sampling line is deployed ballistically, fired out like a small rocket, carrying this line to some distance up to possibly a thousand feet from the ABL location. 420 00:44:07,000 --> 00:44:26,000 A sampler, then similar to the one that works in the vicinity of the ABL, is carried up on an elevator latched onto a trolley on this line and deployed out to the desired spot to obtain the surface sample, returning and delivering it to the operating parts of the ABL. 421 00:44:26,000 --> 00:44:36,000 These samples are then processed and brought into the interior of the ABL for chemical processing prior to reading out the experiment. 422 00:44:36,000 --> 00:44:46,000 The chemical processing equipment is located generally in the central area of the ABL in the form of 13 chemical processors located circumferentially around the central core. 423 00:44:47,000 --> 00:45:02,000 Certain supplies, water, certain gases are stored in tanks around the center of the ABL. Other chemical reagents are stored in ampules which hold individual quantities in this area that surrounds the processors. 424 00:45:02,000 --> 00:45:20,000 These ampules are put into cartridges like this so that they feed to the outer end and can be picked up by the processing by the transport device which internally then moves them to the proper location to conduct the chemical analysis. 425 00:45:20,000 --> 00:45:35,000 After the analysis is completed, the sample is then transferred to the instruments to read out the experiment results. The data from these are then processed internally and transmitted through the high-gain system back to Earth. 426 00:45:35,000 --> 00:45:47,000 If the scientific and engineering problems that must be solved to accomplish this feat are not overwhelming, the political obstacles may indeed be insurmountable. 427 00:45:47,000 --> 00:45:58,000 Congress will soon have to make the most important decision on space policy since President Kennedy first won approval to commit us to the space age. 428 00:45:58,000 --> 00:46:10,000 The future of planetary exploration will hinge on the outcome of congressional action that will begin with hearings now set for February 1967. 429 00:46:10,000 --> 00:46:28,000 Because of the need for long lead times, planning policy and funds must be committed now, not only for the Voyager program in 1973, but for the life detection missions to Mars and Venus to come in the next decade or two. 430 00:46:29,000 --> 00:46:44,000 Whether the Soviet Union has its equivalent of our Voyager ready to shoot for Mars or Venus is no longer in question. In Russia, cosmic expositions and public displays of space vehicles are commonplace. 431 00:46:44,000 --> 00:46:53,000 Interest in planetary exploration and the search for extraterrestrial life is at a high pitch among scientists and the public alike. 432 00:46:54,000 --> 00:47:05,000 If our race for space with the Soviet Union were to be judged by who will first land a man on the moon, the contest at this stage might be considered a dead heat. 433 00:47:05,000 --> 00:47:19,000 But if the second lap of this race is one of planetary discovery on which depends the exciting scientific trophies of the foreseeable future, then the United States is estimated far behind. 434 00:47:20,000 --> 00:47:30,000 Soviet cosmonauts, male and female, become the honored protégés of the state, symbols of Soviet communist achievement. 435 00:47:31,000 --> 00:47:45,000 Not so burdened by war costs, the Soviet budget, according to a recent analysis, has allocated to planetary exploration from five to ten times as much as the United States. 436 00:47:45,000 --> 00:47:57,000 And as a result, the great discoveries concerning our neighboring planets, Mars and Venus, will be made by the Russians unless early steps are taken to escalate the American effort. 437 00:47:58,000 --> 00:48:11,000 In the field of radio astronomy too, the Soviets had been more consistently searching for extraterrestrial signals and recently reported having observed beacons of an interstellar civilization. 438 00:48:11,000 --> 00:48:21,000 Although later observations by American scientists negated their claims, the Russians never completely revised their earlier contention. 439 00:48:22,000 --> 00:48:32,000 However, in the area of the extraterrestrial life search, they have held the door open to international cooperation, says astronomer Carl Sagan. 440 00:48:32,000 --> 00:48:51,000 They have made a recommendation that a worldwide international cooperation be established for a further going search of large numbers of stars and galaxies to see if there is any intelligible radio communication being sent. 441 00:48:51,000 --> 00:48:57,000 And who knows if possible that such a collaborative effort might be established. 442 00:48:57,000 --> 00:49:09,000 Previous collaborative efforts, for example, the IGY between the United States, Soviet Union and other countries have been enormously productive scientifically and in fact in other ways. 443 00:49:09,000 --> 00:49:17,000 A persistent furor in the past few years is the one over the alleged sightings of flying saucers. 444 00:49:17,000 --> 00:49:34,000 The number of officially reported sightings of UFOs, unidentified flying objects, has risen from 399 in 1963 to more than 1500 in the last 18 months according to U.S. Air Force figures. 445 00:49:35,000 --> 00:49:44,000 A cult of enthusiasts has developed promoting the theory that these phenomena are visitations from intelligent beings in outer space. 446 00:49:44,000 --> 00:49:52,000 And according to a recent Gallup poll, about 5 million people have reported seeing UFOs over the years. 447 00:49:53,000 --> 00:50:07,000 Organizations with names like Flying Saucer News Club of America and National Investigations Committee on Aerial Phenomena, which has doubled its membership of 5,000 in the last year and a half, 448 00:50:08,000 --> 00:50:24,000 have sprung up complete with annual conventions, recruiting drives and publicity bulletins arguing for acceptance of the idea that flying saucers must be dealt with as emissaries far out diplomats from space. 449 00:50:25,000 --> 00:50:39,000 The scientific community, even though scientists committed to the belief that other intelligent life does exist somewhere in the cosmos, has greeted the flying saucer theory in the main with open skepticism. 450 00:50:39,000 --> 00:50:45,000 Physicist Dr. Philip Morrison of Massachusetts Institute of Technology. 451 00:50:45,000 --> 00:50:57,000 This is a social phenomenon, a phenomenon of journalism and television. If you look in the records of newspapers 100 to 120 years ago, exactly the same things were seen, exactly the same stories were given. 452 00:50:57,000 --> 00:51:11,000 They're much more frequent now. And what has happened is the infernal invention of the phrase, the flying saucer. However, most of the things they see are, as we all well know, planets and lights in the sky and aircraft and so on. 453 00:51:12,000 --> 00:51:32,000 And I think it's one of the most striking evidences, if I may exploit this opportunity, that we don't really have a deep spread of understanding and education in science as a fact that people are not able to cope with the phenomena they see in any other way than inventing what I agree is a possible theory, but a very much more improbable theory than most of the things it describes as fact. 454 00:51:33,000 --> 00:51:52,000 And I think there's a sneaking suspicion also in literature of the flying saucer that this is just some terrestrial object of secret kind, which is surely another social phenomenon in response to the enormous importance given to secrecy and military preparations in secret, which is the characteristic feature of the last 20 or 30 years. 455 00:51:52,000 --> 00:52:06,000 And if you take these two things out of it, then you don't have a great deal left, except a lot of interesting phenomena seen by people, some of which are new and quite unexplained and would be nice to find out more about, but a great many of which are rather familiar things, seen under unfamiliar circumstances. 456 00:52:06,000 --> 00:52:18,000 We are not alone. We'll continue with the religious and philosophical implications that would result from the discovery of life on other worlds after this message from the B.F. Goodrich Company. 457 00:52:23,000 --> 00:52:32,000 How come the typical American motorist puts off buying tires until he can't put it off any longer? 458 00:52:40,000 --> 00:52:44,000 Maybe it's because the typical American tire store is like a foreign country. 459 00:52:45,000 --> 00:52:56,000 A whole new world with a strange and different language. When you ask for help, you need an interpreter to help you with the answers. And when you finally get the bell. 460 00:52:59,000 --> 00:53:04,000 Now you don't have to let the tire buy and get you down. Go see B.F. Goodrich. 461 00:53:06,000 --> 00:53:10,000 At B.F. Goodrich, we speak your language. Straight talk. 462 00:53:11,000 --> 00:53:27,000 If you don't understand that for-plies-first-slide-miracle-tread business, try this, the B.F. Goodrich Tire Value Calculator. It takes the confusion out of tire buying. You feed it the facts about how you drive. Then spin the dial. 463 00:53:27,000 --> 00:53:33,000 And it comes up with the right B.F. Goodrich tire, the lowest price tire for your driving needs. 464 00:53:34,000 --> 00:53:41,000 Straight talk. How about it, typical American motorist? Ready for a little straight talk? 465 00:53:46,000 --> 00:53:50,000 B.F. Goodrich. The straight talk tire people. 466 00:53:51,000 --> 00:54:10,000 What if one day we do actually establish radio communication with some other civilization out in the cosmos? The possibility cannot be dismissed. The prospect has captured the imaginations and stirred the emotions of scientists and laymen alike. 467 00:54:11,000 --> 00:54:31,000 One of the stunning questions raised by the possibility of life on other planets in other solar systems is this. If proved, what will it do to theology? Man has been inclined to conceive of himself as cast in an earthly but divine image of God or gods. 468 00:54:32,000 --> 00:54:51,000 What if God supervised the beginnings of other civilizations on other planets first? Do the Martians, if any, have their equivalent of Adam and Eve? Did somebody else out there discover long before Darwin the Darwinian theory of evolution? 469 00:54:52,000 --> 00:55:05,000 These and countless other related religious questions, of course, must await the results of these new Christopher Columbus voyages of science through the solar system. 470 00:55:06,000 --> 00:55:19,000 Dr. Morrison, for centuries, and really ever since man evolved on this planet, he thought of himself as being central, as being unique, as being the supreme representation of life. 471 00:55:19,000 --> 00:55:35,000 Supposing we discover that this is not the case, we know we're not central, suppose we discover we're also not really as superior as other beings elsewhere. What is going to be the effect of this on our concept of our place in the universe and of ourselves? 472 00:55:35,000 --> 00:55:48,000 Everyone who tries to think himself as having a view of the world and seeing his place in it, whatever his attitudes, will agree, I think, that above all, you have to be true. 473 00:55:48,000 --> 00:56:01,000 If we want to find out if it turns out we have to adjust to this, certainly we can do so. I think we'll in some ways remove what must be an essential loneliness of this position, an arrogance, a sense of responsibility, which perhaps is not all ours. 474 00:56:01,000 --> 00:56:30,000 Is it not true that, at least in the Western world, in the galactic community, as far as the Ural Mountains, Europe and North America, there's been a lengthy tradition of saying that all that is most valuable in the view of life, in the view of state, in the view of the individual, in the view of morality, a great deal of that comes, of course, from our religious development? 475 00:56:30,000 --> 00:56:43,000 But an equally large, or almost equally large contribution, comes from the study of societies which are absolutely gone, with whom we never again communicate, the most important being the world of Greece. 476 00:56:43,000 --> 00:56:56,000 The Greek playwrights, the Greek philosophers, the Greek historians and statesmen are their thought and what they did is on the lips and on the pens of most of the learned people in the world. 477 00:56:56,000 --> 00:57:13,000 All we have is containing about 10 or 15,000 books, which is a small library easily held in a good-sized office. Those are all the Greek texts about everything that we will ever have, and yet scholars and students have gone over and over and over to those and they're terribly valuable. 478 00:57:13,000 --> 00:57:30,000 Now we've extended that in our time, because most of us are by studying other cultures with their rich traditions, the culture of the Orient, the cultures of the Orient, the cultures of America, old America, the cultures of West Africa and so on, each of which have big contributions and give us a lot of understanding, a lot of insight. 479 00:57:30,000 --> 00:57:51,000 And I don't think we make a real human culture until we have all this fed in, and I think on top of that, enriching it by having the story equally complex and much longer, but in less detail, which we kind of think we'd have to have from some remote society, could do anything but add tremendous challenge and enrichment and satisfaction to those people. 480 00:57:51,000 --> 00:58:07,000 Indeed, I think if I put myself into their place, that's the reason they would do it, because then it would be added to their libraries too. What our history has been, and that must be the only thing they can guess from science is the complexity of playwriting or histories of kings or folklore. 481 00:58:07,000 --> 00:58:19,000 You can get their general pattern, but the detail is too rich. You can easily show them mathematically. There's just too many possibilities. So I think that they will also be happy to have one more library coming into their signals, and that's what I'd like to say. 482 00:58:20,000 --> 00:58:21,000 Mr. Walder Sulliman. 483 00:58:22,000 --> 00:58:28,000 What a wonderful planet is our world, and how far it may be to anything else like it. 484 00:58:29,000 --> 00:58:48,000 We are reasonably believed there are other planets, blessed with our advantages, a kindly, stable parent star, a well-placed orbit, a suitable atmosphere, dry continents for advanced life forms, great seas within which their primitive ancestors evolved. 485 00:58:49,000 --> 00:59:05,000 But the fragile green hue of life appears only here and there on our planet, a scene from space. Its hold is tenuous. If inbred passions overcome reason, we can now render the planet uninhabitable. 486 00:59:06,000 --> 00:59:18,000 Is that the fate of all technological societies? It is up to us, on this wonderful world of ours, to prove that it is not so. 487 00:59:19,000 --> 00:59:26,000 We are not alone. 488 00:59:26,000 --> 00:59:39,000 Has been brought to you by B. F. Goodrich, the name that spells quality in tires, chemicals, plastics, footwear, products for homes, and for the rest of the world. 489 00:59:39,000 --> 00:59:59,000 This has been a presentation of ABC News.