1 00:00:22,320 --> 00:00:23,109 over the past 2 00:00:23,109 --> 00:00:23,119 over the past 3 00:00:23,119 --> 00:00:25,429 over the past decades we've struggled to see beyond 4 00:00:25,429 --> 00:00:25,439 decades we've struggled to see beyond 5 00:00:25,439 --> 00:00:27,189 decades we've struggled to see beyond the atmosphere lying between earth and 6 00:00:27,189 --> 00:00:27,199 the atmosphere lying between earth and 7 00:00:27,199 --> 00:00:28,470 the atmosphere lying between earth and space 8 00:00:28,470 --> 00:00:28,480 space 9 00:00:28,480 --> 00:00:30,870 space even from mountaintop observatories the 10 00:00:30,870 --> 00:00:30,880 even from mountaintop observatories the 11 00:00:30,880 --> 00:00:32,870 even from mountaintop observatories the atmosphere has blurred our view of the 12 00:00:32,870 --> 00:00:32,880 atmosphere has blurred our view of the 13 00:00:32,880 --> 00:00:34,069 atmosphere has blurred our view of the universe 14 00:00:34,069 --> 00:00:34,079 universe 15 00:00:34,079 --> 00:00:35,990 universe and because the atmosphere absorbs 16 00:00:35,990 --> 00:00:36,000 and because the atmosphere absorbs 17 00:00:36,000 --> 00:00:37,670 and because the atmosphere absorbs certain forms of energy 18 00:00:37,670 --> 00:00:37,680 certain forms of energy 19 00:00:37,680 --> 00:00:39,670 certain forms of energy our knowledge of celestial phenomena has 20 00:00:39,670 --> 00:00:39,680 our knowledge of celestial phenomena has 21 00:00:39,680 --> 00:00:41,430 our knowledge of celestial phenomena has been limited 22 00:00:41,430 --> 00:00:41,440 been limited 23 00:00:41,440 --> 00:00:43,910 been limited one answer has been to go beyond the 24 00:00:43,910 --> 00:00:43,920 one answer has been to go beyond the 25 00:00:43,920 --> 00:00:45,270 one answer has been to go beyond the atmosphere 26 00:00:45,270 --> 00:00:45,280 atmosphere 27 00:00:45,280 --> 00:00:47,029 atmosphere in fact between the late 60s and the 28 00:00:47,029 --> 00:00:47,039 in fact between the late 60s and the 29 00:00:47,039 --> 00:00:49,830 in fact between the late 60s and the late 70s nasa launched a series of 30 00:00:49,830 --> 00:00:49,840 late 70s nasa launched a series of 31 00:00:49,840 --> 00:00:51,910 late 70s nasa launched a series of special purpose observatories 32 00:00:51,910 --> 00:00:51,920 special purpose observatories 33 00:00:51,920 --> 00:00:54,549 special purpose observatories revealing ultraviolet sources such as 34 00:00:54,549 --> 00:00:54,559 revealing ultraviolet sources such as 35 00:00:54,559 --> 00:00:56,830 revealing ultraviolet sources such as very hot stars and very young 36 00:00:56,830 --> 00:00:56,840 very hot stars and very young 37 00:00:56,840 --> 00:00:59,590 very hot stars and very young stars these satellites made tremendous 38 00:00:59,590 --> 00:00:59,600 stars these satellites made tremendous 39 00:00:59,600 --> 00:01:00,549 stars these satellites made tremendous breakthroughs 40 00:01:00,549 --> 00:01:00,559 breakthroughs 41 00:01:00,559 --> 00:01:02,790 breakthroughs and encouraged astronomers to move on to 42 00:01:02,790 --> 00:01:02,800 and encouraged astronomers to move on to 43 00:01:02,800 --> 00:01:04,710 and encouraged astronomers to move on to larger observatories 44 00:01:04,710 --> 00:01:04,720 larger observatories 45 00:01:04,720 --> 00:01:06,469 larger observatories seeking answers about more distant 46 00:01:06,469 --> 00:01:06,479 seeking answers about more distant 47 00:01:06,479 --> 00:01:09,190 seeking answers about more distant galaxies mysterious pulsars 48 00:01:09,190 --> 00:01:09,200 galaxies mysterious pulsars 49 00:01:09,200 --> 00:01:12,230 galaxies mysterious pulsars and quasars and the universe 50 00:01:12,230 --> 00:01:12,240 and quasars and the universe 51 00:01:12,240 --> 00:01:16,630 and quasars and the universe itself astronomers envisioned the next 52 00:01:16,630 --> 00:01:16,640 itself astronomers envisioned the next 53 00:01:16,640 --> 00:01:17,109 itself astronomers envisioned the next step 54 00:01:17,109 --> 00:01:17,119 step 55 00:01:17,119 --> 00:01:20,230 step a multi-purpose observatory in space 56 00:01:20,230 --> 00:01:20,240 a multi-purpose observatory in space 57 00:01:20,240 --> 00:01:21,990 a multi-purpose observatory in space one that could image farther and more 58 00:01:21,990 --> 00:01:22,000 one that could image farther and more 59 00:01:22,000 --> 00:01:23,910 one that could image farther and more clearly than its predecessors 60 00:01:23,910 --> 00:01:23,920 clearly than its predecessors 61 00:01:23,920 --> 00:01:26,310 clearly than its predecessors uncovering phenomena in ultraviolet 62 00:01:26,310 --> 00:01:26,320 uncovering phenomena in ultraviolet 63 00:01:26,320 --> 00:01:28,469 uncovering phenomena in ultraviolet visible and near infrared regions of the 64 00:01:28,469 --> 00:01:28,479 visible and near infrared regions of the 65 00:01:28,479 --> 00:01:29,510 visible and near infrared regions of the spectrum 66 00:01:29,510 --> 00:01:29,520 spectrum 67 00:01:29,520 --> 00:01:31,429 spectrum an observatory that could expand our 68 00:01:31,429 --> 00:01:31,439 an observatory that could expand our 69 00:01:31,439 --> 00:01:33,910 an observatory that could expand our perception to the outer reaches of the 70 00:01:33,910 --> 00:01:33,920 perception to the outer reaches of the 71 00:01:33,920 --> 00:01:35,109 perception to the outer reaches of the universe 72 00:01:35,109 --> 00:01:35,119 universe 73 00:01:35,119 --> 00:01:39,030 universe that next step was hst nasa's hubble 74 00:01:39,030 --> 00:01:39,040 that next step was hst nasa's hubble 75 00:01:39,040 --> 00:01:40,390 that next step was hst nasa's hubble space telescope 76 00:01:40,390 --> 00:01:40,400 space telescope 77 00:01:40,400 --> 00:01:42,469 space telescope with its precision optics and diverse 78 00:01:42,469 --> 00:01:42,479 with its precision optics and diverse 79 00:01:42,479 --> 00:01:48,149 with its precision optics and diverse array of scientific instruments 80 00:01:48,149 --> 00:01:48,159 81 00:01:48,159 --> 00:01:50,389 nasa is responsible for developing 82 00:01:50,389 --> 00:01:50,399 nasa is responsible for developing 83 00:01:50,399 --> 00:01:51,910 nasa is responsible for developing operating and maintaining this 84 00:01:51,910 --> 00:01:51,920 operating and maintaining this 85 00:01:51,920 --> 00:01:54,389 operating and maintaining this ground-sized space observatory 86 00:01:54,389 --> 00:01:54,399 ground-sized space observatory 87 00:01:54,399 --> 00:01:56,469 ground-sized space observatory with its unparalleled goals the hubble 88 00:01:56,469 --> 00:01:56,479 with its unparalleled goals the hubble 89 00:01:56,479 --> 00:01:57,590 with its unparalleled goals the hubble space telescope 90 00:01:57,590 --> 00:01:57,600 space telescope 91 00:01:57,600 --> 00:01:59,270 space telescope poses a much greater challenge to 92 00:01:59,270 --> 00:01:59,280 poses a much greater challenge to 93 00:01:59,280 --> 00:02:01,990 poses a much greater challenge to operate than ground-based observatories 94 00:02:01,990 --> 00:02:02,000 operate than ground-based observatories 95 00:02:02,000 --> 00:02:20,830 operate than ground-based observatories or the satellites that came before it 96 00:02:20,830 --> 00:02:20,840 97 00:02:20,840 --> 00:02:35,910 so 98 00:02:35,910 --> 00:02:35,920 99 00:02:35,920 --> 00:02:38,470 led by nasa engineers scientists and 100 00:02:38,470 --> 00:02:38,480 led by nasa engineers scientists and 101 00:02:38,480 --> 00:02:40,470 led by nasa engineers scientists and researchers from universities 102 00:02:40,470 --> 00:02:40,480 researchers from universities 103 00:02:40,480 --> 00:02:43,350 researchers from universities industries and the european space agency 104 00:02:43,350 --> 00:02:43,360 industries and the european space agency 105 00:02:43,360 --> 00:02:44,150 industries and the european space agency have combined 106 00:02:44,150 --> 00:02:44,160 have combined 107 00:02:44,160 --> 00:02:45,670 have combined efforts to meet the challenge of 108 00:02:45,670 --> 00:02:45,680 efforts to meet the challenge of 109 00:02:45,680 --> 00:02:48,229 efforts to meet the challenge of operating hubble space telescope 110 00:02:48,229 --> 00:02:48,239 operating hubble space telescope 111 00:02:48,239 --> 00:02:50,150 operating hubble space telescope the result is one of the most complex 112 00:02:50,150 --> 00:02:50,160 the result is one of the most complex 113 00:02:50,160 --> 00:02:51,830 the result is one of the most complex operations and maintenance systems in 114 00:02:51,830 --> 00:02:51,840 operations and maintenance systems in 115 00:02:51,840 --> 00:02:52,949 operations and maintenance systems in the world 116 00:02:52,949 --> 00:02:52,959 the world 117 00:02:52,959 --> 00:02:55,190 the world one that ensures quality observations 118 00:02:55,190 --> 00:02:55,200 one that ensures quality observations 119 00:02:55,200 --> 00:02:57,030 one that ensures quality observations and spacecraft performance 120 00:02:57,030 --> 00:02:57,040 and spacecraft performance 121 00:02:57,040 --> 00:03:01,910 and spacecraft performance into the next century 122 00:03:01,910 --> 00:03:01,920 123 00:03:01,920 --> 00:03:03,830 to take a closer look we started the 124 00:03:03,830 --> 00:03:03,840 to take a closer look we started the 125 00:03:03,840 --> 00:03:06,149 to take a closer look we started the space telescope science institute in 126 00:03:06,149 --> 00:03:06,159 space telescope science institute in 127 00:03:06,159 --> 00:03:07,990 space telescope science institute in baltimore maryland 128 00:03:07,990 --> 00:03:08,000 baltimore maryland 129 00:03:08,000 --> 00:03:10,070 baltimore maryland aura a consortium of american 130 00:03:10,070 --> 00:03:10,080 aura a consortium of american 131 00:03:10,080 --> 00:03:12,309 aura a consortium of american universities operates the institute for 132 00:03:12,309 --> 00:03:12,319 universities operates the institute for 133 00:03:12,319 --> 00:03:13,910 universities operates the institute for nasa 134 00:03:13,910 --> 00:03:13,920 nasa 135 00:03:13,920 --> 00:03:16,229 nasa the space telescope science institute is 136 00:03:16,229 --> 00:03:16,239 the space telescope science institute is 137 00:03:16,239 --> 00:03:18,149 the space telescope science institute is the international center for science 138 00:03:18,149 --> 00:03:18,159 the international center for science 139 00:03:18,159 --> 00:03:20,070 the international center for science activities with hst 140 00:03:20,070 --> 00:03:20,080 activities with hst 141 00:03:20,080 --> 00:03:22,550 activities with hst it plans the day-to-day observations and 142 00:03:22,550 --> 00:03:22,560 it plans the day-to-day observations and 143 00:03:22,560 --> 00:03:23,910 it plans the day-to-day observations and sets up the long-term 144 00:03:23,910 --> 00:03:23,920 sets up the long-term 145 00:03:23,920 --> 00:03:26,949 sets up the long-term science program astronomers first come 146 00:03:26,949 --> 00:03:26,959 science program astronomers first come 147 00:03:26,959 --> 00:03:28,630 science program astronomers first come in contact with the institute when they 148 00:03:28,630 --> 00:03:28,640 in contact with the institute when they 149 00:03:28,640 --> 00:03:31,430 in contact with the institute when they submit their proposed science program 150 00:03:31,430 --> 00:03:31,440 submit their proposed science program 151 00:03:31,440 --> 00:03:33,750 submit their proposed science program as with any major observatory the demand 152 00:03:33,750 --> 00:03:33,760 as with any major observatory the demand 153 00:03:33,760 --> 00:03:34,710 as with any major observatory the demand for the telescope 154 00:03:34,710 --> 00:03:34,720 for the telescope 155 00:03:34,720 --> 00:03:37,270 for the telescope exceeds the time available we expect to 156 00:03:37,270 --> 00:03:37,280 exceeds the time available we expect to 157 00:03:37,280 --> 00:03:37,830 exceeds the time available we expect to receive 158 00:03:37,830 --> 00:03:37,840 receive 159 00:03:37,840 --> 00:03:40,149 receive over a thousand proposals a year and 160 00:03:40,149 --> 00:03:40,159 over a thousand proposals a year and 161 00:03:40,159 --> 00:03:42,550 over a thousand proposals a year and only 200 can be conducted 162 00:03:42,550 --> 00:03:42,560 only 200 can be conducted 163 00:03:42,560 --> 00:03:44,630 only 200 can be conducted a committee of international astronomers 164 00:03:44,630 --> 00:03:44,640 a committee of international astronomers 165 00:03:44,640 --> 00:03:46,470 a committee of international astronomers selects the proposals based on their 166 00:03:46,470 --> 00:03:46,480 selects the proposals based on their 167 00:03:46,480 --> 00:03:48,390 selects the proposals based on their scientific merit 168 00:03:48,390 --> 00:03:48,400 scientific merit 169 00:03:48,400 --> 00:03:51,350 scientific merit because the hst offers several hundred 170 00:03:51,350 --> 00:03:51,360 because the hst offers several hundred 171 00:03:51,360 --> 00:03:53,270 because the hst offers several hundred instrument configurations 172 00:03:53,270 --> 00:03:53,280 instrument configurations 173 00:03:53,280 --> 00:03:55,190 instrument configurations our scientists work with the selected 174 00:03:55,190 --> 00:03:55,200 our scientists work with the selected 175 00:03:55,200 --> 00:03:58,710 our scientists work with the selected researchers to detail their observations 176 00:03:58,710 --> 00:03:58,720 researchers to detail their observations 177 00:03:58,720 --> 00:04:01,270 researchers to detail their observations next numerous proposals are incorporated 178 00:04:01,270 --> 00:04:01,280 next numerous proposals are incorporated 179 00:04:01,280 --> 00:04:02,309 next numerous proposals are incorporated into a week-long 180 00:04:02,309 --> 00:04:02,319 into a week-long 181 00:04:02,319 --> 00:04:04,390 into a week-long observing schedule that ensures the 182 00:04:04,390 --> 00:04:04,400 observing schedule that ensures the 183 00:04:04,400 --> 00:04:07,350 observing schedule that ensures the efficient use of every telescope minute 184 00:04:07,350 --> 00:04:07,360 efficient use of every telescope minute 185 00:04:07,360 --> 00:04:09,110 efficient use of every telescope minute there are many many factors involved in 186 00:04:09,110 --> 00:04:09,120 there are many many factors involved in 187 00:04:09,120 --> 00:04:10,789 there are many many factors involved in scheduling observations with the space 188 00:04:10,789 --> 00:04:10,799 scheduling observations with the space 189 00:04:10,799 --> 00:04:11,990 scheduling observations with the space telescope 190 00:04:11,990 --> 00:04:12,000 telescope 191 00:04:12,000 --> 00:04:13,429 telescope there are many instruments onboard a 192 00:04:13,429 --> 00:04:13,439 there are many instruments onboard a 193 00:04:13,439 --> 00:04:15,589 there are many instruments onboard a space telescope within the same 194 00:04:15,589 --> 00:04:15,599 space telescope within the same 195 00:04:15,599 --> 00:04:16,150 space telescope within the same instrument 196 00:04:16,150 --> 00:04:16,160 instrument 197 00:04:16,160 --> 00:04:18,710 instrument there are several observing modes even 198 00:04:18,710 --> 00:04:18,720 there are several observing modes even 199 00:04:18,720 --> 00:04:19,749 there are several observing modes even the simplest 200 00:04:19,749 --> 00:04:19,759 the simplest 201 00:04:19,759 --> 00:04:22,550 the simplest observation requires using different 202 00:04:22,550 --> 00:04:22,560 observation requires using different 203 00:04:22,560 --> 00:04:24,310 observation requires using different filters 204 00:04:24,310 --> 00:04:24,320 filters 205 00:04:24,320 --> 00:04:26,790 filters we may also have to revisit the same 206 00:04:26,790 --> 00:04:26,800 we may also have to revisit the same 207 00:04:26,800 --> 00:04:29,110 we may also have to revisit the same target at different times of the year 208 00:04:29,110 --> 00:04:29,120 target at different times of the year 209 00:04:29,120 --> 00:04:31,430 target at different times of the year we want to maximize the time spent 210 00:04:31,430 --> 00:04:31,440 we want to maximize the time spent 211 00:04:31,440 --> 00:04:34,070 we want to maximize the time spent observing with the space telescope 212 00:04:34,070 --> 00:04:34,080 observing with the space telescope 213 00:04:34,080 --> 00:04:35,990 observing with the space telescope and minimize the time wasted moving the 214 00:04:35,990 --> 00:04:36,000 and minimize the time wasted moving the 215 00:04:36,000 --> 00:04:37,430 and minimize the time wasted moving the telescope around 216 00:04:37,430 --> 00:04:37,440 telescope around 217 00:04:37,440 --> 00:04:39,749 telescope around therefore we will group the observations 218 00:04:39,749 --> 00:04:39,759 therefore we will group the observations 219 00:04:39,759 --> 00:04:42,710 therefore we will group the observations to happen in the same area of the sky 220 00:04:42,710 --> 00:04:42,720 to happen in the same area of the sky 221 00:04:42,720 --> 00:04:45,350 to happen in the same area of the sky we also want to use the same instrument 222 00:04:45,350 --> 00:04:45,360 we also want to use the same instrument 223 00:04:45,360 --> 00:04:45,909 we also want to use the same instrument for 224 00:04:45,909 --> 00:04:45,919 for 225 00:04:45,919 --> 00:04:47,749 for long periods of time even weeks at a 226 00:04:47,749 --> 00:04:47,759 long periods of time even weeks at a 227 00:04:47,759 --> 00:04:49,430 long periods of time even weeks at a time to minimize 228 00:04:49,430 --> 00:04:49,440 time to minimize 229 00:04:49,440 --> 00:04:50,870 time to minimize switching instruments on and off 230 00:04:50,870 --> 00:04:50,880 switching instruments on and off 231 00:04:50,880 --> 00:04:54,550 switching instruments on and off unnecessarily 232 00:04:54,550 --> 00:04:54,560 233 00:04:54,560 --> 00:04:56,469 before the telescope schedule can be 234 00:04:56,469 --> 00:04:56,479 before the telescope schedule can be 235 00:04:56,479 --> 00:04:58,629 before the telescope schedule can be completed another essential factor is 236 00:04:58,629 --> 00:04:58,639 completed another essential factor is 237 00:04:58,639 --> 00:04:59,430 completed another essential factor is entered 238 00:04:59,430 --> 00:04:59,440 entered 239 00:04:59,440 --> 00:05:03,110 entered the guide stars to establish guide stars 240 00:05:03,110 --> 00:05:03,120 the guide stars to establish guide stars 241 00:05:03,120 --> 00:05:04,310 the guide stars to establish guide stars for operations 242 00:05:04,310 --> 00:05:04,320 for operations 243 00:05:04,320 --> 00:05:06,710 for operations the institute has converted 1500 244 00:05:06,710 --> 00:05:06,720 the institute has converted 1500 245 00:05:06,720 --> 00:05:08,870 the institute has converted 1500 photographic plates of the sky 246 00:05:08,870 --> 00:05:08,880 photographic plates of the sky 247 00:05:08,880 --> 00:05:12,710 photographic plates of the sky into a catalog of 15 million stars 248 00:05:12,710 --> 00:05:12,720 into a catalog of 15 million stars 249 00:05:12,720 --> 00:05:14,550 into a catalog of 15 million stars using the catalog the institute's 250 00:05:14,550 --> 00:05:14,560 using the catalog the institute's 251 00:05:14,560 --> 00:05:15,909 using the catalog the institute's computer selects 252 00:05:15,909 --> 00:05:15,919 computer selects 253 00:05:15,919 --> 00:05:19,270 computer selects guide stars for each target hst 254 00:05:19,270 --> 00:05:19,280 guide stars for each target hst 255 00:05:19,280 --> 00:05:21,510 guide stars for each target hst stabilizes on a target by finding and 256 00:05:21,510 --> 00:05:21,520 stabilizes on a target by finding and 257 00:05:21,520 --> 00:05:22,710 stabilizes on a target by finding and locking onto 258 00:05:22,710 --> 00:05:22,720 locking onto 259 00:05:22,720 --> 00:05:24,950 locking onto two guide stars with its precision 260 00:05:24,950 --> 00:05:24,960 two guide stars with its precision 261 00:05:24,960 --> 00:05:26,790 two guide stars with its precision guidance sensors 262 00:05:26,790 --> 00:05:26,800 guidance sensors 263 00:05:26,800 --> 00:05:29,110 guidance sensors the sensors detect any minor drift from 264 00:05:29,110 --> 00:05:29,120 the sensors detect any minor drift from 265 00:05:29,120 --> 00:05:30,390 the sensors detect any minor drift from the guide stars 266 00:05:30,390 --> 00:05:30,400 the guide stars 267 00:05:30,400 --> 00:05:32,550 the guide stars and correct the spacecraft's position 268 00:05:32,550 --> 00:05:32,560 and correct the spacecraft's position 269 00:05:32,560 --> 00:05:34,469 and correct the spacecraft's position through the onboard computers 270 00:05:34,469 --> 00:05:34,479 through the onboard computers 271 00:05:34,479 --> 00:05:36,550 through the onboard computers with the guide stars and other system 272 00:05:36,550 --> 00:05:36,560 with the guide stars and other system 273 00:05:36,560 --> 00:05:38,070 with the guide stars and other system factors incorporated 274 00:05:38,070 --> 00:05:38,080 factors incorporated 275 00:05:38,080 --> 00:05:40,230 factors incorporated the institute produces a week-long 276 00:05:40,230 --> 00:05:40,240 the institute produces a week-long 277 00:05:40,240 --> 00:05:42,390 the institute produces a week-long schedule which specifies 278 00:05:42,390 --> 00:05:42,400 schedule which specifies 279 00:05:42,400 --> 00:05:45,270 schedule which specifies when where and how hst science 280 00:05:45,270 --> 00:05:45,280 when where and how hst science 281 00:05:45,280 --> 00:05:52,629 when where and how hst science instruments will be used 282 00:05:52,629 --> 00:05:52,639 instruments will be used 283 00:05:52,639 --> 00:05:54,550 instruments will be used from the institute the science schedule 284 00:05:54,550 --> 00:05:54,560 from the institute the science schedule 285 00:05:54,560 --> 00:05:56,070 from the institute the science schedule is transmitted to the space 286 00:05:56,070 --> 00:05:56,080 is transmitted to the space 287 00:05:56,080 --> 00:05:59,270 is transmitted to the space telescope operations control center 288 00:05:59,270 --> 00:05:59,280 telescope operations control center 289 00:05:59,280 --> 00:06:01,350 telescope operations control center located at goddard space flight center 290 00:06:01,350 --> 00:06:01,360 located at goddard space flight center 291 00:06:01,360 --> 00:06:03,110 located at goddard space flight center in greenbelt maryland 292 00:06:03,110 --> 00:06:03,120 in greenbelt maryland 293 00:06:03,120 --> 00:06:05,749 in greenbelt maryland this is the nerve center of hst's ground 294 00:06:05,749 --> 00:06:05,759 this is the nerve center of hst's ground 295 00:06:05,759 --> 00:06:07,029 this is the nerve center of hst's ground system 296 00:06:07,029 --> 00:06:07,039 system 297 00:06:07,039 --> 00:06:09,189 system the science schedule automatically goes 298 00:06:09,189 --> 00:06:09,199 the science schedule automatically goes 299 00:06:09,199 --> 00:06:11,029 the science schedule automatically goes into one of the control center computer 300 00:06:11,029 --> 00:06:11,039 into one of the control center computer 301 00:06:11,039 --> 00:06:11,830 into one of the control center computer systems 302 00:06:11,830 --> 00:06:11,840 systems 303 00:06:11,840 --> 00:06:13,909 systems which adds commands for operating and 304 00:06:13,909 --> 00:06:13,919 which adds commands for operating and 305 00:06:13,919 --> 00:06:16,710 which adds commands for operating and maintaining the observatory 306 00:06:16,710 --> 00:06:16,720 maintaining the observatory 307 00:06:16,720 --> 00:06:18,950 maintaining the observatory these new commands cover such operations 308 00:06:18,950 --> 00:06:18,960 these new commands cover such operations 309 00:06:18,960 --> 00:06:20,710 these new commands cover such operations as moving the telescope 310 00:06:20,710 --> 00:06:20,720 as moving the telescope 311 00:06:20,720 --> 00:06:24,309 as moving the telescope or pointing its communications antennas 312 00:06:24,309 --> 00:06:24,319 or pointing its communications antennas 313 00:06:24,319 --> 00:06:26,550 or pointing its communications antennas the system also schedules links to 314 00:06:26,550 --> 00:06:26,560 the system also schedules links to 315 00:06:26,560 --> 00:06:29,830 the system also schedules links to nasa's communications satellites 316 00:06:29,830 --> 00:06:29,840 nasa's communications satellites 317 00:06:29,840 --> 00:06:32,230 nasa's communications satellites merging both the science and spacecraft 318 00:06:32,230 --> 00:06:32,240 merging both the science and spacecraft 319 00:06:32,240 --> 00:06:32,950 merging both the science and spacecraft commands 320 00:06:32,950 --> 00:06:32,960 commands 321 00:06:32,960 --> 00:06:35,270 commands the computer generates a master schedule 322 00:06:35,270 --> 00:06:35,280 the computer generates a master schedule 323 00:06:35,280 --> 00:06:36,390 the computer generates a master schedule for the week 324 00:06:36,390 --> 00:06:36,400 for the week 325 00:06:36,400 --> 00:06:38,070 for the week if this second by second schedule 326 00:06:38,070 --> 00:06:38,080 if this second by second schedule 327 00:06:38,080 --> 00:06:39,990 if this second by second schedule printed out the stack would be one to 328 00:06:39,990 --> 00:06:40,000 printed out the stack would be one to 329 00:06:40,000 --> 00:06:41,990 printed out the stack would be one to two feet high 330 00:06:41,990 --> 00:06:42,000 two feet high 331 00:06:42,000 --> 00:06:44,790 two feet high commands are sent to hst's two on-board 332 00:06:44,790 --> 00:06:44,800 commands are sent to hst's two on-board 333 00:06:44,800 --> 00:06:45,749 commands are sent to hst's two on-board computers 334 00:06:45,749 --> 00:06:45,759 computers 335 00:06:45,759 --> 00:06:47,909 computers which on an average day carry out over 336 00:06:47,909 --> 00:06:47,919 which on an average day carry out over 337 00:06:47,919 --> 00:06:50,790 which on an average day carry out over 12 000 commands 338 00:06:50,790 --> 00:06:50,800 12 000 commands 339 00:06:50,800 --> 00:06:52,790 12 000 commands the spacecraft's safety is also 340 00:06:52,790 --> 00:06:52,800 the spacecraft's safety is also 341 00:06:52,800 --> 00:06:57,510 the spacecraft's safety is also monitored at the control center 342 00:06:57,510 --> 00:06:57,520 343 00:06:57,520 --> 00:07:00,070 a typical satellite has about a thousand 344 00:07:00,070 --> 00:07:00,080 a typical satellite has about a thousand 345 00:07:00,080 --> 00:07:02,870 a typical satellite has about a thousand parameters that must be monitored 346 00:07:02,870 --> 00:07:02,880 parameters that must be monitored 347 00:07:02,880 --> 00:07:06,230 parameters that must be monitored hst has about six thousand 348 00:07:06,230 --> 00:07:06,240 hst has about six thousand 349 00:07:06,240 --> 00:07:08,150 hst has about six thousand these parameters include specific 350 00:07:08,150 --> 00:07:08,160 these parameters include specific 351 00:07:08,160 --> 00:07:09,589 these parameters include specific spacecraft temperatures 352 00:07:09,589 --> 00:07:09,599 spacecraft temperatures 353 00:07:09,599 --> 00:07:12,150 spacecraft temperatures voltages electrical currents and the 354 00:07:12,150 --> 00:07:12,160 voltages electrical currents and the 355 00:07:12,160 --> 00:07:14,629 voltages electrical currents and the condition of its computers 356 00:07:14,629 --> 00:07:14,639 condition of its computers 357 00:07:14,639 --> 00:07:17,029 condition of its computers our engineers must instantly recognize 358 00:07:17,029 --> 00:07:17,039 our engineers must instantly recognize 359 00:07:17,039 --> 00:07:18,790 our engineers must instantly recognize the codes for each function 360 00:07:18,790 --> 00:07:18,800 the codes for each function 361 00:07:18,800 --> 00:07:20,309 the codes for each function interpret their measurements and take 362 00:07:20,309 --> 00:07:20,319 interpret their measurements and take 363 00:07:20,319 --> 00:07:23,430 interpret their measurements and take immediate action if something is unusual 364 00:07:23,430 --> 00:07:23,440 immediate action if something is unusual 365 00:07:23,440 --> 00:07:25,430 immediate action if something is unusual because the engineers are overrun with 366 00:07:25,430 --> 00:07:25,440 because the engineers are overrun with 367 00:07:25,440 --> 00:07:27,350 because the engineers are overrun with data we became concerned about the 368 00:07:27,350 --> 00:07:27,360 data we became concerned about the 369 00:07:27,360 --> 00:07:29,270 data we became concerned about the potential for human error 370 00:07:29,270 --> 00:07:29,280 potential for human error 371 00:07:29,280 --> 00:07:31,110 potential for human error to minimize this possibility we are 372 00:07:31,110 --> 00:07:31,120 to minimize this possibility we are 373 00:07:31,120 --> 00:07:32,790 to minimize this possibility we are developing an artificial intelligence 374 00:07:32,790 --> 00:07:32,800 developing an artificial intelligence 375 00:07:32,800 --> 00:07:33,430 developing an artificial intelligence system 376 00:07:33,430 --> 00:07:33,440 system 377 00:07:33,440 --> 00:07:37,029 system that automates much of the analysis 378 00:07:37,029 --> 00:07:37,039 that automates much of the analysis 379 00:07:37,039 --> 00:07:39,350 that automates much of the analysis if the system finds something amiss it 380 00:07:39,350 --> 00:07:39,360 if the system finds something amiss it 381 00:07:39,360 --> 00:07:40,870 if the system finds something amiss it tells the operator 382 00:07:40,870 --> 00:07:40,880 tells the operator 383 00:07:40,880 --> 00:07:43,350 tells the operator eventually it will also prescribe a 384 00:07:43,350 --> 00:07:43,360 eventually it will also prescribe a 385 00:07:43,360 --> 00:07:44,309 eventually it will also prescribe a solution 386 00:07:44,309 --> 00:07:44,319 solution 387 00:07:44,319 --> 00:07:48,150 solution for the irregularity 388 00:07:48,150 --> 00:07:48,160 389 00:07:48,160 --> 00:07:50,710 before the actual observations begin 390 00:07:50,710 --> 00:07:50,720 before the actual observations begin 391 00:07:50,720 --> 00:07:53,189 before the actual observations begin nasa must calibrate hst's various 392 00:07:53,189 --> 00:07:53,199 nasa must calibrate hst's various 393 00:07:53,199 --> 00:07:54,070 nasa must calibrate hst's various systems 394 00:07:54,070 --> 00:07:54,080 systems 395 00:07:54,080 --> 00:07:56,150 systems during a crucial seven-month period 396 00:07:56,150 --> 00:07:56,160 during a crucial seven-month period 397 00:07:56,160 --> 00:07:59,110 during a crucial seven-month period following launch marshall space flight 398 00:07:59,110 --> 00:07:59,120 following launch marshall space flight 399 00:07:59,120 --> 00:08:01,589 following launch marshall space flight center located in huntsville alabama 400 00:08:01,589 --> 00:08:01,599 center located in huntsville alabama 401 00:08:01,599 --> 00:08:04,629 center located in huntsville alabama was responsible for building hst 402 00:08:04,629 --> 00:08:04,639 was responsible for building hst 403 00:08:04,639 --> 00:08:06,390 was responsible for building hst early in the calibration process 404 00:08:06,390 --> 00:08:06,400 early in the calibration process 405 00:08:06,400 --> 00:08:07,990 early in the calibration process marshall personnel managed the 406 00:08:07,990 --> 00:08:08,000 marshall personnel managed the 407 00:08:08,000 --> 00:08:09,749 marshall personnel managed the spacecraft's initial checkout 408 00:08:09,749 --> 00:08:09,759 spacecraft's initial checkout 409 00:08:09,759 --> 00:08:12,950 spacecraft's initial checkout from goddard's control center 410 00:08:12,950 --> 00:08:12,960 from goddard's control center 411 00:08:12,960 --> 00:08:14,469 from goddard's control center at the beginning of deployment the 412 00:08:14,469 --> 00:08:14,479 at the beginning of deployment the 413 00:08:14,479 --> 00:08:16,150 at the beginning of deployment the shuttle bay doors open 414 00:08:16,150 --> 00:08:16,160 shuttle bay doors open 415 00:08:16,160 --> 00:08:19,189 shuttle bay doors open and the arbiter applies power to hst 416 00:08:19,189 --> 00:08:19,199 and the arbiter applies power to hst 417 00:08:19,199 --> 00:08:21,270 and the arbiter applies power to hst communication is then established 418 00:08:21,270 --> 00:08:21,280 communication is then established 419 00:08:21,280 --> 00:08:23,270 communication is then established between the ground control center 420 00:08:23,270 --> 00:08:23,280 between the ground control center 421 00:08:23,280 --> 00:08:25,909 between the ground control center and the spacecraft to verify proper 422 00:08:25,909 --> 00:08:25,919 and the spacecraft to verify proper 423 00:08:25,919 --> 00:08:26,950 and the spacecraft to verify proper configuration 424 00:08:26,950 --> 00:08:26,960 configuration 425 00:08:26,960 --> 00:08:29,029 configuration and to activate basic systems for 426 00:08:29,029 --> 00:08:29,039 and to activate basic systems for 427 00:08:29,039 --> 00:08:31,350 and to activate basic systems for thermal safety 428 00:08:31,350 --> 00:08:31,360 thermal safety 429 00:08:31,360 --> 00:08:34,230 thermal safety next the arbiter's arm lifts hst out of 430 00:08:34,230 --> 00:08:34,240 next the arbiter's arm lifts hst out of 431 00:08:34,240 --> 00:08:35,029 next the arbiter's arm lifts hst out of the bay 432 00:08:35,029 --> 00:08:35,039 the bay 433 00:08:35,039 --> 00:08:36,949 the bay so the telescope's solar arrays and 434 00:08:36,949 --> 00:08:36,959 so the telescope's solar arrays and 435 00:08:36,959 --> 00:08:39,269 so the telescope's solar arrays and antennas can be extended 436 00:08:39,269 --> 00:08:39,279 antennas can be extended 437 00:08:39,279 --> 00:08:41,350 antennas can be extended the arm releases the observatory into 438 00:08:41,350 --> 00:08:41,360 the arm releases the observatory into 439 00:08:41,360 --> 00:08:44,790 the arm releases the observatory into orbit some 300 miles above the earth 440 00:08:44,790 --> 00:08:44,800 orbit some 300 miles above the earth 441 00:08:44,800 --> 00:08:47,910 orbit some 300 miles above the earth hst's solar arrays are oriented properly 442 00:08:47,910 --> 00:08:47,920 hst's solar arrays are oriented properly 443 00:08:47,920 --> 00:08:49,670 hst's solar arrays are oriented properly to convert the sun's energy into 444 00:08:49,670 --> 00:08:49,680 to convert the sun's energy into 445 00:08:49,680 --> 00:08:53,190 to convert the sun's energy into electrical power for the observatory 446 00:08:53,190 --> 00:08:53,200 electrical power for the observatory 447 00:08:53,200 --> 00:08:55,430 electrical power for the observatory the arbiter stays nearby for about two 448 00:08:55,430 --> 00:08:55,440 the arbiter stays nearby for about two 449 00:08:55,440 --> 00:08:56,870 the arbiter stays nearby for about two days after release 450 00:08:56,870 --> 00:08:56,880 days after release 451 00:08:56,880 --> 00:08:59,430 days after release in case hst needs further assistance 452 00:08:59,430 --> 00:08:59,440 in case hst needs further assistance 453 00:08:59,440 --> 00:09:02,230 in case hst needs further assistance during this early critical period 454 00:09:02,230 --> 00:09:02,240 during this early critical period 455 00:09:02,240 --> 00:09:04,070 during this early critical period once we establish that the spacecraft 456 00:09:04,070 --> 00:09:04,080 once we establish that the spacecraft 457 00:09:04,080 --> 00:09:05,750 once we establish that the spacecraft can operate on its own 458 00:09:05,750 --> 00:09:05,760 can operate on its own 459 00:09:05,760 --> 00:09:08,949 can operate on its own the arbiter returns to earth meanwhile 460 00:09:08,949 --> 00:09:08,959 the arbiter returns to earth meanwhile 461 00:09:08,959 --> 00:09:10,949 the arbiter returns to earth meanwhile ground control engineers continue to 462 00:09:10,949 --> 00:09:10,959 ground control engineers continue to 463 00:09:10,959 --> 00:09:11,590 ground control engineers continue to verify 464 00:09:11,590 --> 00:09:11,600 verify 465 00:09:11,600 --> 00:09:14,070 verify that major components are up and running 466 00:09:14,070 --> 00:09:14,080 that major components are up and running 467 00:09:14,080 --> 00:09:15,750 that major components are up and running and that the telescope is pointing 468 00:09:15,750 --> 00:09:15,760 and that the telescope is pointing 469 00:09:15,760 --> 00:09:17,750 and that the telescope is pointing properly 470 00:09:17,750 --> 00:09:17,760 properly 471 00:09:17,760 --> 00:09:19,430 properly next through a long series of 472 00:09:19,430 --> 00:09:19,440 next through a long series of 473 00:09:19,440 --> 00:09:21,110 next through a long series of calibrations the telescope 474 00:09:21,110 --> 00:09:21,120 calibrations the telescope 475 00:09:21,120 --> 00:09:23,350 calibrations the telescope mirrors star trackers fine guidance 476 00:09:23,350 --> 00:09:23,360 mirrors star trackers fine guidance 477 00:09:23,360 --> 00:09:25,829 mirrors star trackers fine guidance sensors and rate gyros are aligned 478 00:09:25,829 --> 00:09:25,839 sensors and rate gyros are aligned 479 00:09:25,839 --> 00:09:27,829 sensors and rate gyros are aligned at approximately the end of the first 480 00:09:27,829 --> 00:09:27,839 at approximately the end of the first 481 00:09:27,839 --> 00:09:30,070 at approximately the end of the first month marshall officially turns 482 00:09:30,070 --> 00:09:30,080 month marshall officially turns 483 00:09:30,080 --> 00:09:32,630 month marshall officially turns responsibility for hst operations over 484 00:09:32,630 --> 00:09:32,640 responsibility for hst operations over 485 00:09:32,640 --> 00:09:34,310 responsibility for hst operations over to goddard 486 00:09:34,310 --> 00:09:34,320 to goddard 487 00:09:34,320 --> 00:09:36,310 to goddard during the second month goddard conducts 488 00:09:36,310 --> 00:09:36,320 during the second month goddard conducts 489 00:09:36,320 --> 00:09:38,230 during the second month goddard conducts further telescope calibrations 490 00:09:38,230 --> 00:09:38,240 further telescope calibrations 491 00:09:38,240 --> 00:09:39,750 further telescope calibrations and early checkout of the science 492 00:09:39,750 --> 00:09:39,760 and early checkout of the science 493 00:09:39,760 --> 00:09:41,269 and early checkout of the science instruments 494 00:09:41,269 --> 00:09:41,279 instruments 495 00:09:41,279 --> 00:09:43,030 instruments subsequent checkout of the optics and 496 00:09:43,030 --> 00:09:43,040 subsequent checkout of the optics and 497 00:09:43,040 --> 00:09:44,550 subsequent checkout of the optics and the instruments occurs during the 498 00:09:44,550 --> 00:09:44,560 the instruments occurs during the 499 00:09:44,560 --> 00:09:46,790 the instruments occurs during the remaining five months 500 00:09:46,790 --> 00:09:46,800 remaining five months 501 00:09:46,800 --> 00:09:48,550 remaining five months only then can the long-awaited 502 00:09:48,550 --> 00:09:48,560 only then can the long-awaited 503 00:09:48,560 --> 00:09:59,670 only then can the long-awaited observations begin 504 00:09:59,670 --> 00:09:59,680 505 00:09:59,680 --> 00:10:02,150 to make these observations hst's 506 00:10:02,150 --> 00:10:02,160 to make these observations hst's 507 00:10:02,160 --> 00:10:02,790 to make these observations hst's commands 508 00:10:02,790 --> 00:10:02,800 commands 509 00:10:02,800 --> 00:10:05,030 commands must travel an intricate path the 510 00:10:05,030 --> 00:10:05,040 must travel an intricate path the 511 00:10:05,040 --> 00:10:07,190 must travel an intricate path the science commands from the institute are 512 00:10:07,190 --> 00:10:07,200 science commands from the institute are 513 00:10:07,200 --> 00:10:08,150 science commands from the institute are integrated with 514 00:10:08,150 --> 00:10:08,160 integrated with 515 00:10:08,160 --> 00:10:10,710 integrated with spacecraft commands at goddard's control 516 00:10:10,710 --> 00:10:10,720 spacecraft commands at goddard's control 517 00:10:10,720 --> 00:10:11,990 spacecraft commands at goddard's control center 518 00:10:11,990 --> 00:10:12,000 center 519 00:10:12,000 --> 00:10:14,470 center ultimately the signals are relayed to a 520 00:10:14,470 --> 00:10:14,480 ultimately the signals are relayed to a 521 00:10:14,480 --> 00:10:15,190 ultimately the signals are relayed to a nasa 522 00:10:15,190 --> 00:10:15,200 nasa 523 00:10:15,200 --> 00:10:17,750 nasa tracking and data relay satellite 524 00:10:17,750 --> 00:10:17,760 tracking and data relay satellite 525 00:10:17,760 --> 00:10:20,870 tracking and data relay satellite orbiting 23 000 miles above earth 526 00:10:20,870 --> 00:10:20,880 orbiting 23 000 miles above earth 527 00:10:20,880 --> 00:10:23,509 orbiting 23 000 miles above earth the commands then go into hst's onboard 528 00:10:23,509 --> 00:10:23,519 the commands then go into hst's onboard 529 00:10:23,519 --> 00:10:25,750 the commands then go into hst's onboard computers to be implemented 530 00:10:25,750 --> 00:10:25,760 computers to be implemented 531 00:10:25,760 --> 00:10:28,389 computers to be implemented this path reverses when data gathered by 532 00:10:28,389 --> 00:10:28,399 this path reverses when data gathered by 533 00:10:28,399 --> 00:10:31,670 this path reverses when data gathered by an observation is sent back to earth 534 00:10:31,670 --> 00:10:31,680 an observation is sent back to earth 535 00:10:31,680 --> 00:10:33,670 an observation is sent back to earth with commands loaded into its computers 536 00:10:33,670 --> 00:10:33,680 with commands loaded into its computers 537 00:10:33,680 --> 00:10:35,509 with commands loaded into its computers the telescope automatically proceeds 538 00:10:35,509 --> 00:10:35,519 the telescope automatically proceeds 539 00:10:35,519 --> 00:10:36,949 the telescope automatically proceeds with observations 540 00:10:36,949 --> 00:10:36,959 with observations 541 00:10:36,959 --> 00:10:39,750 with observations in this case hst pivots slowly to its 542 00:10:39,750 --> 00:10:39,760 in this case hst pivots slowly to its 543 00:10:39,760 --> 00:10:41,509 in this case hst pivots slowly to its new target 544 00:10:41,509 --> 00:10:41,519 new target 545 00:10:41,519 --> 00:10:43,110 new target light from the target goes down the 546 00:10:43,110 --> 00:10:43,120 light from the target goes down the 547 00:10:43,120 --> 00:10:45,670 light from the target goes down the telescope and hits the primary mirror 548 00:10:45,670 --> 00:10:45,680 telescope and hits the primary mirror 549 00:10:45,680 --> 00:10:48,550 telescope and hits the primary mirror it reflects back to the secondary mirror 550 00:10:48,550 --> 00:10:48,560 it reflects back to the secondary mirror 551 00:10:48,560 --> 00:10:50,710 it reflects back to the secondary mirror reduced to a narrow beam the light is 552 00:10:50,710 --> 00:10:50,720 reduced to a narrow beam the light is 553 00:10:50,720 --> 00:10:52,630 reduced to a narrow beam the light is aimed back to the focal plane just 554 00:10:52,630 --> 00:10:52,640 aimed back to the focal plane just 555 00:10:52,640 --> 00:10:54,150 aimed back to the focal plane just behind it 556 00:10:54,150 --> 00:10:54,160 behind it 557 00:10:54,160 --> 00:10:56,630 behind it the image is directed to hst's fine 558 00:10:56,630 --> 00:10:56,640 the image is directed to hst's fine 559 00:10:56,640 --> 00:10:57,990 the image is directed to hst's fine guidance sensors 560 00:10:57,990 --> 00:10:58,000 guidance sensors 561 00:10:58,000 --> 00:11:00,550 guidance sensors which locate and lock onto guide stars 562 00:11:00,550 --> 00:11:00,560 which locate and lock onto guide stars 563 00:11:00,560 --> 00:11:03,110 which locate and lock onto guide stars on either side of the target 564 00:11:03,110 --> 00:11:03,120 on either side of the target 565 00:11:03,120 --> 00:11:05,829 on either side of the target with hst now centered on its target the 566 00:11:05,829 --> 00:11:05,839 with hst now centered on its target the 567 00:11:05,839 --> 00:11:07,509 with hst now centered on its target the light travels into the science 568 00:11:07,509 --> 00:11:07,519 light travels into the science 569 00:11:07,519 --> 00:11:08,710 light travels into the science instruments which will make the 570 00:11:08,710 --> 00:11:08,720 instruments which will make the 571 00:11:08,720 --> 00:11:10,870 instruments which will make the observation 572 00:11:10,870 --> 00:11:10,880 observation 573 00:11:10,880 --> 00:11:13,990 observation the instrument shutters open the correct 574 00:11:13,990 --> 00:11:14,000 the instrument shutters open the correct 575 00:11:14,000 --> 00:11:17,670 the instrument shutters open the correct filter is selected and hst begins its 576 00:11:17,670 --> 00:11:17,680 filter is selected and hst begins its 577 00:11:17,680 --> 00:11:21,430 filter is selected and hst begins its exposure 578 00:11:21,430 --> 00:11:21,440 579 00:11:21,440 --> 00:11:23,910 while most observations are pre-planned 580 00:11:23,910 --> 00:11:23,920 while most observations are pre-planned 581 00:11:23,920 --> 00:11:26,470 while most observations are pre-planned 10 percent require real-time interaction 582 00:11:26,470 --> 00:11:26,480 10 percent require real-time interaction 583 00:11:26,480 --> 00:11:30,150 10 percent require real-time interaction at the institute by scientists 584 00:11:30,150 --> 00:11:30,160 at the institute by scientists 585 00:11:30,160 --> 00:11:32,310 at the institute by scientists real-time observations with the space 586 00:11:32,310 --> 00:11:32,320 real-time observations with the space 587 00:11:32,320 --> 00:11:34,630 real-time observations with the space telescope defy pre-programming 588 00:11:34,630 --> 00:11:34,640 telescope defy pre-programming 589 00:11:34,640 --> 00:11:37,350 telescope defy pre-programming for example we want to observe the red 590 00:11:37,350 --> 00:11:37,360 for example we want to observe the red 591 00:11:37,360 --> 00:11:37,829 for example we want to observe the red spots 592 00:11:37,829 --> 00:11:37,839 spots 593 00:11:37,839 --> 00:11:40,389 spots on jupiter this is a complicated 594 00:11:40,389 --> 00:11:40,399 on jupiter this is a complicated 595 00:11:40,399 --> 00:11:43,269 on jupiter this is a complicated operation because the planet moves 596 00:11:43,269 --> 00:11:43,279 operation because the planet moves 597 00:11:43,279 --> 00:11:46,230 operation because the planet moves and it also rotates in order to be able 598 00:11:46,230 --> 00:11:46,240 and it also rotates in order to be able 599 00:11:46,240 --> 00:11:47,829 and it also rotates in order to be able to do this we have to take an early 600 00:11:47,829 --> 00:11:47,839 to do this we have to take an early 601 00:11:47,839 --> 00:11:49,190 to do this we have to take an early picture of the planet 602 00:11:49,190 --> 00:11:49,200 picture of the planet 603 00:11:49,200 --> 00:11:52,150 picture of the planet send information down to the ground and 604 00:11:52,150 --> 00:11:52,160 send information down to the ground and 605 00:11:52,160 --> 00:11:52,550 send information down to the ground and then 606 00:11:52,550 --> 00:11:52,560 then 607 00:11:52,560 --> 00:11:54,870 then have an operator make a very quick 608 00:11:54,870 --> 00:11:54,880 have an operator make a very quick 609 00:11:54,880 --> 00:11:56,710 have an operator make a very quick decision as to exactly 610 00:11:56,710 --> 00:11:56,720 decision as to exactly 611 00:11:56,720 --> 00:11:59,269 decision as to exactly where the instrument that is being used 612 00:11:59,269 --> 00:11:59,279 where the instrument that is being used 613 00:11:59,279 --> 00:12:00,790 where the instrument that is being used has to be pointed 614 00:12:00,790 --> 00:12:00,800 has to be pointed 615 00:12:00,800 --> 00:12:02,389 has to be pointed this is a very challenging operation 616 00:12:02,389 --> 00:12:02,399 this is a very challenging operation 617 00:12:02,399 --> 00:12:04,389 this is a very challenging operation indeed 618 00:12:04,389 --> 00:12:04,399 indeed 619 00:12:04,399 --> 00:12:06,710 indeed within 24 hours of an observation the 620 00:12:06,710 --> 00:12:06,720 within 24 hours of an observation the 621 00:12:06,720 --> 00:12:08,470 within 24 hours of an observation the observer can obtain the data from the 622 00:12:08,470 --> 00:12:08,480 observer can obtain the data from the 623 00:12:08,480 --> 00:12:10,069 observer can obtain the data from the science institute's data 624 00:12:10,069 --> 00:12:10,079 science institute's data 625 00:12:10,079 --> 00:12:13,110 science institute's data archive and distribution service the 626 00:12:13,110 --> 00:12:13,120 archive and distribution service the 627 00:12:13,120 --> 00:12:15,350 archive and distribution service the investigator who submitted the proposal 628 00:12:15,350 --> 00:12:15,360 investigator who submitted the proposal 629 00:12:15,360 --> 00:12:17,509 investigator who submitted the proposal has exclusive rights to this information 630 00:12:17,509 --> 00:12:17,519 has exclusive rights to this information 631 00:12:17,519 --> 00:12:19,269 has exclusive rights to this information for one year 632 00:12:19,269 --> 00:12:19,279 for one year 633 00:12:19,279 --> 00:12:21,590 for one year after this period the data is available 634 00:12:21,590 --> 00:12:21,600 after this period the data is available 635 00:12:21,600 --> 00:12:24,310 after this period the data is available to scientists around the world serving 636 00:12:24,310 --> 00:12:24,320 to scientists around the world serving 637 00:12:24,320 --> 00:12:26,069 to scientists around the world serving as an hst library 638 00:12:26,069 --> 00:12:26,079 as an hst library 639 00:12:26,079 --> 00:12:27,670 as an hst library the archive will distribute an 640 00:12:27,670 --> 00:12:27,680 the archive will distribute an 641 00:12:27,680 --> 00:12:30,310 the archive will distribute an equivalent of 500 million pages of 642 00:12:30,310 --> 00:12:30,320 equivalent of 500 million pages of 643 00:12:30,320 --> 00:12:31,110 equivalent of 500 million pages of information 644 00:12:31,110 --> 00:12:31,120 information 645 00:12:31,120 --> 00:12:34,150 information over a single year the observations are 646 00:12:34,150 --> 00:12:34,160 over a single year the observations are 647 00:12:34,160 --> 00:12:35,670 over a single year the observations are distributed through worldwide 648 00:12:35,670 --> 00:12:35,680 distributed through worldwide 649 00:12:35,680 --> 00:12:38,310 distributed through worldwide astronomical computer networks 650 00:12:38,310 --> 00:12:38,320 astronomical computer networks 651 00:12:38,320 --> 00:12:42,870 astronomical computer networks are through optical disks magnetic tapes 652 00:12:42,870 --> 00:12:42,880 are through optical disks magnetic tapes 653 00:12:42,880 --> 00:12:45,829 are through optical disks magnetic tapes and photographs astronomers can use this 654 00:12:45,829 --> 00:12:45,839 and photographs astronomers can use this 655 00:12:45,839 --> 00:12:48,150 and photographs astronomers can use this information at their home institution 656 00:12:48,150 --> 00:12:48,160 information at their home institution 657 00:12:48,160 --> 00:12:52,949 information at their home institution to further their own research 658 00:12:52,949 --> 00:12:52,959 to further their own research 659 00:12:52,959 --> 00:12:55,110 to further their own research from this data who can say what great 660 00:12:55,110 --> 00:12:55,120 from this data who can say what great 661 00:12:55,120 --> 00:12:56,710 from this data who can say what great discoveries will be made 662 00:12:56,710 --> 00:12:56,720 discoveries will be made 663 00:12:56,720 --> 00:12:59,030 discoveries will be made astronomers hope for answers about black 664 00:12:59,030 --> 00:12:59,040 astronomers hope for answers about black 665 00:12:59,040 --> 00:13:00,230 astronomers hope for answers about black holes 666 00:13:00,230 --> 00:13:00,240 holes 667 00:13:00,240 --> 00:13:02,870 holes the evolution of galaxies and the size 668 00:13:02,870 --> 00:13:02,880 the evolution of galaxies and the size 669 00:13:02,880 --> 00:13:04,389 the evolution of galaxies and the size of our universe 670 00:13:04,389 --> 00:13:04,399 of our universe 671 00:13:04,399 --> 00:13:06,230 of our universe looking to the future to ensure the 672 00:13:06,230 --> 00:13:06,240 looking to the future to ensure the 673 00:13:06,240 --> 00:13:08,870 looking to the future to ensure the continuous flow of such exciting data 674 00:13:08,870 --> 00:13:08,880 continuous flow of such exciting data 675 00:13:08,880 --> 00:13:12,389 continuous flow of such exciting data nasa has created contingency plans 676 00:13:12,389 --> 00:13:12,399 nasa has created contingency plans 677 00:13:12,399 --> 00:13:14,790 nasa has created contingency plans in contrast to the unexpected repair of 678 00:13:14,790 --> 00:13:14,800 in contrast to the unexpected repair of 679 00:13:14,800 --> 00:13:17,190 in contrast to the unexpected repair of the solar maximum mission spacecraft in 680 00:13:17,190 --> 00:13:17,200 the solar maximum mission spacecraft in 681 00:13:17,200 --> 00:13:18,629 the solar maximum mission spacecraft in 1984 682 00:13:18,629 --> 00:13:18,639 1984 683 00:13:18,639 --> 00:13:21,430 1984 nasa has prepared for hst's on orbit 684 00:13:21,430 --> 00:13:21,440 nasa has prepared for hst's on orbit 685 00:13:21,440 --> 00:13:24,470 nasa has prepared for hst's on orbit servicing 686 00:13:24,470 --> 00:13:24,480 687 00:13:24,480 --> 00:13:26,870 hst is designed and developed by nasa 688 00:13:26,870 --> 00:13:26,880 hst is designed and developed by nasa 689 00:13:26,880 --> 00:13:30,150 hst is designed and developed by nasa for on-orbit servicing by astronauts 690 00:13:30,150 --> 00:13:30,160 for on-orbit servicing by astronauts 691 00:13:30,160 --> 00:13:32,790 for on-orbit servicing by astronauts consequently hst instruments and various 692 00:13:32,790 --> 00:13:32,800 consequently hst instruments and various 693 00:13:32,800 --> 00:13:37,670 consequently hst instruments and various components were developed to be modular 694 00:13:37,670 --> 00:13:37,680 695 00:13:37,680 --> 00:13:39,269 this allows the astronauts to replace 696 00:13:39,269 --> 00:13:39,279 this allows the astronauts to replace 697 00:13:39,279 --> 00:13:41,590 this allows the astronauts to replace degradable parts such as solar arrays 698 00:13:41,590 --> 00:13:41,600 degradable parts such as solar arrays 699 00:13:41,600 --> 00:13:44,150 degradable parts such as solar arrays and batteries during routine servicing 700 00:13:44,150 --> 00:13:44,160 and batteries during routine servicing 701 00:13:44,160 --> 00:13:45,829 and batteries during routine servicing missions 702 00:13:45,829 --> 00:13:45,839 missions 703 00:13:45,839 --> 00:13:47,750 missions the modular design also makes it 704 00:13:47,750 --> 00:13:47,760 the modular design also makes it 705 00:13:47,760 --> 00:13:49,990 the modular design also makes it possible to update the observatory with 706 00:13:49,990 --> 00:13:50,000 possible to update the observatory with 707 00:13:50,000 --> 00:13:51,990 possible to update the observatory with new instruments 708 00:13:51,990 --> 00:13:52,000 new instruments 709 00:13:52,000 --> 00:13:54,069 new instruments during the first planned maintenance 710 00:13:54,069 --> 00:13:54,079 during the first planned maintenance 711 00:13:54,079 --> 00:13:55,829 during the first planned maintenance mission for the hst 712 00:13:55,829 --> 00:13:55,839 mission for the hst 713 00:13:55,839 --> 00:13:57,910 mission for the hst we expect to remove one of the original 714 00:13:57,910 --> 00:13:57,920 we expect to remove one of the original 715 00:13:57,920 --> 00:13:59,829 we expect to remove one of the original scientific instruments and replace it 716 00:13:59,829 --> 00:13:59,839 scientific instruments and replace it 717 00:13:59,839 --> 00:14:02,389 scientific instruments and replace it with a near-infrared instrument 718 00:14:02,389 --> 00:14:02,399 with a near-infrared instrument 719 00:14:02,399 --> 00:14:04,150 with a near-infrared instrument the first scientific instruments on the 720 00:14:04,150 --> 00:14:04,160 the first scientific instruments on the 721 00:14:04,160 --> 00:14:07,269 the first scientific instruments on the hst are sensitive to the ultraviolet 722 00:14:07,269 --> 00:14:07,279 hst are sensitive to the ultraviolet 723 00:14:07,279 --> 00:14:08,949 hst are sensitive to the ultraviolet and visible portions of the 724 00:14:08,949 --> 00:14:08,959 and visible portions of the 725 00:14:08,959 --> 00:14:10,710 and visible portions of the electromagnetic spectrum 726 00:14:10,710 --> 00:14:10,720 electromagnetic spectrum 727 00:14:10,720 --> 00:14:13,670 electromagnetic spectrum when we add an infrared capability we 728 00:14:13,670 --> 00:14:13,680 when we add an infrared capability we 729 00:14:13,680 --> 00:14:15,750 when we add an infrared capability we will be able to examine regions such as 730 00:14:15,750 --> 00:14:15,760 will be able to examine regions such as 731 00:14:15,760 --> 00:14:16,550 will be able to examine regions such as this 732 00:14:16,550 --> 00:14:16,560 this 733 00:14:16,560 --> 00:14:18,150 this where stars are in the process of 734 00:14:18,150 --> 00:14:18,160 where stars are in the process of 735 00:14:18,160 --> 00:14:19,750 where stars are in the process of formation today 736 00:14:19,750 --> 00:14:19,760 formation today 737 00:14:19,760 --> 00:14:21,750 formation today and we'll also be able to probe still 738 00:14:21,750 --> 00:14:21,760 and we'll also be able to probe still 739 00:14:21,760 --> 00:14:22,790 and we'll also be able to probe still further back 740 00:14:22,790 --> 00:14:22,800 further back 741 00:14:22,800 --> 00:14:33,910 further back into the early history of our universe 742 00:14:33,910 --> 00:14:33,920 743 00:14:33,920 --> 00:14:36,310 hubble space telescope operations can be 744 00:14:36,310 --> 00:14:36,320 hubble space telescope operations can be 745 00:14:36,320 --> 00:14:38,470 hubble space telescope operations can be compared to the complexity and challenge 746 00:14:38,470 --> 00:14:38,480 compared to the complexity and challenge 747 00:14:38,480 --> 00:14:40,710 compared to the complexity and challenge of the operations necessary to send 748 00:14:40,710 --> 00:14:40,720 of the operations necessary to send 749 00:14:40,720 --> 00:14:43,990 of the operations necessary to send astronauts to the moon the expertise of 750 00:14:43,990 --> 00:14:44,000 astronauts to the moon the expertise of 751 00:14:44,000 --> 00:14:46,069 astronauts to the moon the expertise of thousands of individuals has contributed 752 00:14:46,069 --> 00:14:46,079 thousands of individuals has contributed 753 00:14:46,079 --> 00:14:47,509 thousands of individuals has contributed to the innovative 754 00:14:47,509 --> 00:14:47,519 to the innovative 755 00:14:47,519 --> 00:14:50,790 to the innovative science instruments computer systems 756 00:14:50,790 --> 00:14:50,800 science instruments computer systems 757 00:14:50,800 --> 00:14:53,030 science instruments computer systems information systems and maintenance 758 00:14:53,030 --> 00:14:53,040 information systems and maintenance 759 00:14:53,040 --> 00:14:55,269 information systems and maintenance hardware that constitute hst's 760 00:14:55,269 --> 00:14:55,279 hardware that constitute hst's 761 00:14:55,279 --> 00:14:57,509 hardware that constitute hst's operations network 762 00:14:57,509 --> 00:14:57,519 operations network 763 00:14:57,519 --> 00:14:59,670 operations network this elaborate system supporting hubble 764 00:14:59,670 --> 00:14:59,680 this elaborate system supporting hubble 765 00:14:59,680 --> 00:15:01,030 this elaborate system supporting hubble space telescope 766 00:15:01,030 --> 00:15:01,040 space telescope 767 00:15:01,040 --> 00:15:02,949 space telescope promises long-sought answers to 768 00:15:02,949 --> 00:15:02,959 promises long-sought answers to 769 00:15:02,959 --> 00:15:04,470 promises long-sought answers to universal questions 770 00:15:04,470 --> 00:15:04,480 universal questions 771 00:15:04,480 --> 00:15:07,030 universal questions exciting discoveries to ponder and 772 00:15:07,030 --> 00:15:07,040 exciting discoveries to ponder and 773 00:15:07,040 --> 00:15:07,990 exciting discoveries to ponder and possibly 774 00:15:07,990 --> 00:15:08,000 possibly 775 00:15:08,000 --> 00:16:07,350 possibly a new understanding of our universe 776 00:16:07,350 --> 00:16:07,360 777 00:16:07,360 --> 00:16:09,440 you