1 00:00:00,506 --> 00:00:10,956 [ Music ] 2 00:00:11,456 --> 00:00:14,306 >> Welcome to the mission brief for Flight 168. 3 00:00:15,056 --> 00:00:16,906 >> We'll taxi into position at Runway 25. 4 00:00:16,906 --> 00:00:19,966 We'll go out and make a right down on the departure towards Daggett VOR. 5 00:00:20,400 --> 00:00:22,160 >> Going to be taking off almost on the hour. 6 00:00:22,216 --> 00:00:24,926 It's 2 minutes prior, and you're going 7 00:00:24,926 --> 00:00:26,936 to be making a right hand turn proceeding to the first 8 00:00:26,936 --> 00:00:27,956 science point. 9 00:00:27,960 --> 00:00:29,720 >> What we're looking at is a galaxy which is known 10 00:00:29,726 --> 00:00:32,256 to have a super massive black hole at its center. 11 00:00:32,256 --> 00:00:34,006 >>What we need to do is to point the telescope 12 00:00:34,006 --> 00:00:35,520 at 45 degrees elevation. 13 00:00:35,520 --> 00:00:38,596 >> If we see this, it'll only be I think the 3rd time a supernova 14 00:00:38,596 --> 00:00:40,896 like this has ever been seen in the mid-infrared. 15 00:00:41,516 --> 00:00:54,586 [ Music ] 16 00:00:55,086 --> 00:00:57,306 >> The doors have been all armed. 17 00:00:57,656 --> 00:01:00,946 Everyone has been trained on how to open them. 18 00:01:00,946 --> 00:01:02,496 As you push the door, make sure you let it go 19 00:01:03,076 --> 00:01:06,496 or you will exit a lot quicker than you wanted to. 20 00:01:06,516 --> 00:01:12,516 [ Music ] 21 00:01:25,260 --> 00:01:20,836 [Radio chatter] 22 00:01:25,416 --> 00:01:26,756 >> I was born in the generation 23 00:01:26,756 --> 00:01:29,786 where the Apollo astronauts started to walk on the moon. 24 00:01:29,786 --> 00:01:31,916 That got me very excited about wanting 25 00:01:31,916 --> 00:01:33,436 to be an astronaut myself. 26 00:01:36,160 --> 00:01:38,860 I think a lot of kids really wanted to be an astronaut 27 00:01:38,866 --> 00:01:40,446 when they were younger. 28 00:01:41,160 --> 00:01:42,720 >> I grew up with the space shuttle program. 29 00:01:42,906 --> 00:01:46,236 One of my dreams as a kid was to become an astronaut. 30 00:01:46,356 --> 00:01:49,136 >> From 6th grade, when I went to space camp for the first time. 31 00:01:49,196 --> 00:01:52,896 I kind of always had this dream of something with NASA. 32 00:01:53,580 --> 00:01:55,000 >> When I was young, I always dreamed 33 00:01:55,000 --> 00:01:56,720 about being an astronaut, getting into space. 34 00:01:56,726 --> 00:01:59,746 It's so exciting that NASA has given me this opportunity 35 00:01:59,746 --> 00:02:01,096 to participate in this program. 36 00:02:01,096 --> 00:02:03,206 >>Now I have an actual chance to fly. 37 00:02:03,206 --> 00:02:04,280 On SOFIA. 38 00:02:04,436 --> 00:02:08,446 >> This is fulfilling that one...one of my lifelong dreams. 39 00:02:08,556 --> 00:02:09,716 >> This gives me my chance 40 00:02:09,716 --> 00:02:11,256 to actually be part of a NASA mission. 41 00:02:11,256 --> 00:02:13,046 >> Now, Pamela, are these nodding 42 00:02:13,046 --> 00:02:15,736 and chopping things normal functions? 43 00:02:15,736 --> 00:02:17,046 >> Yes. Nod, chop, and dither. 44 00:02:17,396 --> 00:02:18,836 Chop is a secondary mirror. 45 00:02:18,836 --> 00:02:20,616 Nod is the primary mirror. 46 00:02:20,896 --> 00:02:23,146 Dither has to do with the light coming 47 00:02:23,146 --> 00:02:25,136 down the bore sight to the instrument. 48 00:02:25,556 --> 00:02:26,906 And they'll move it around so 49 00:02:26,996 --> 00:02:29,946 where there's a bad pixel or channel. 50 00:02:30,026 --> 00:02:33,106 You don't have a hole in your data. 51 00:02:33,720 --> 00:02:34,760 >> We have 2 cameras. 52 00:02:34,766 --> 00:02:37,086 One operates from 5 to 25 microns, 53 00:02:37,146 --> 00:02:39,106 the other from 25 to 40 microns. 54 00:02:39,336 --> 00:02:41,516 And with a dichroic beam splitter, you can image 55 00:02:41,516 --> 00:02:42,936 in both wave lengths at once. 56 00:02:43,236 --> 00:02:46,036 >> I like supernovae in particular because everything 57 00:02:46,036 --> 00:02:49,116 that we're made of, all the atoms that you see around us. 58 00:02:49,216 --> 00:02:50,706 All that was made inside of a star. 59 00:02:50,856 --> 00:02:53,006 The universe would be a boring place without stars. 60 00:02:53,516 --> 00:02:55,206 So supernovae are actually responsible 61 00:02:55,306 --> 00:02:58,446 for everything that's interesting 62 00:02:58,520 --> 00:03:00,440 in the universe including planets 63 00:03:00,516 --> 00:03:01,916 and people and things like that. 64 00:03:02,860 --> 00:03:06,520 The way these supernova happen is these are very massive stars. 65 00:03:06,556 --> 00:03:07,796 Much more massive than the sun. 66 00:03:07,796 --> 00:03:10,436 Massive stars just tend to be very violent, very short lived. 67 00:03:10,726 --> 00:03:11,986 They throw off a lot of material. 68 00:03:11,986 --> 00:03:14,726 And then the shock wave from the supernova goes out and runs 69 00:03:14,726 --> 00:03:17,066 into that and heats all that material up to 70 00:03:17,066 --> 00:03:18,006 where we can see it again. 71 00:03:18,436 --> 00:03:19,716 We had detected this 72 00:03:19,746 --> 00:03:21,566 with another telescope called Spitzer, 73 00:03:21,926 --> 00:03:23,306 which is a space telescope. 74 00:03:23,506 --> 00:03:27,316 But Spitzer doesn't go out as far in wave length as SOFIA. 75 00:03:27,456 --> 00:03:30,316 So that's kind of what we're trying to do here. 76 00:03:30,316 --> 00:03:32,076 Is get this longer wave length observation. 77 00:03:32,336 --> 00:03:35,016 It'll look just like a star if we end up seeing anything. 78 00:03:35,226 --> 00:03:37,460 They didn't see anything last night either. 79 00:03:37,460 --> 00:03:39,480 >> The scientist who is investigating the supernova, 80 00:03:39,816 --> 00:03:41,816 they actually haven't found any data. 81 00:03:41,816 --> 00:03:43,726 This is an important part of science I'm going 82 00:03:43,786 --> 00:03:45,406 to bring back to the students. 83 00:03:45,476 --> 00:03:48,056 Is that sometimes hypotheses are not supported. 84 00:03:48,056 --> 00:03:50,816 And this is just as important as if they were supported. 85 00:03:52,046 --> 00:03:53,356 >> We can turn all of these things 86 00:03:53,466 --> 00:03:55,296 into teachable moments in our classroom. 87 00:03:55,716 --> 00:03:58,326 Teaching about measurements, conversions, and units, 88 00:03:58,486 --> 00:04:01,666 and then real life application of engineer design process. 89 00:04:01,666 --> 00:04:03,896 How in the world is this plane even up in the air 90 00:04:03,896 --> 00:04:04,916 with the side of it open? 91 00:04:05,276 --> 00:04:08,226 >> The telescope is actually run by some gyroscopes. 92 00:04:08,606 --> 00:04:10,756 The gyroscopes actually help to keep the pointing 93 00:04:11,396 --> 00:04:14,096 of the telescope aimed at the right spot. 94 00:04:14,096 --> 00:04:16,716 I have a little demonstration here I'd like to show 95 00:04:16,716 --> 00:04:19,976 with a toy gyroscope and my toy airplane. 96 00:04:20,436 --> 00:04:22,326 By the law of conservation 97 00:04:22,326 --> 00:04:26,666 of angular momentum, when the telescope moves one way, 98 00:04:26,666 --> 00:04:29,236 the gyroscope is going to move the other way 99 00:04:29,236 --> 00:04:30,546 to keep everything in balance. 100 00:04:34,760 --> 00:04:35,400 There we go. 101 00:04:35,846 --> 00:04:37,096 So now we've got it. 102 00:04:37,776 --> 00:04:39,826 And I'm going to be jiggling the airplane a little bit 103 00:04:39,926 --> 00:04:41,886 to keep it on the board. 104 00:04:42,956 --> 00:04:46,506 And this motion is very similar to the motion of the telescope 105 00:04:46,876 --> 00:04:50,596 and trying to maintain pointing as the airplane is moving. 106 00:04:50,956 --> 00:04:52,916 This is a magnetometer in a bottle. 107 00:04:53,076 --> 00:04:55,516 And it's a real simple device. 108 00:04:55,516 --> 00:04:57,466 Anybody can build it. 109 00:04:57,466 --> 00:04:59,576 It's basically inside the bottle I have a mirror 110 00:04:59,576 --> 00:05:02,416 and I have a magnet hooked on to that mirror. 111 00:05:02,416 --> 00:05:04,126 And it's hanging by a string. 112 00:05:04,366 --> 00:05:08,426 Over here on this side, I have a laser pointer. 113 00:05:08,456 --> 00:05:12,696 And that laser pointer is pointing right at that mirror. 114 00:05:12,956 --> 00:05:16,906 And it's reflecting over to the card on the back here 115 00:05:16,906 --> 00:05:18,740 where we have it scaled. 116 00:05:18,740 --> 00:05:22,500 And so as we travel through the various latitudes and longitudes 117 00:05:22,506 --> 00:05:25,556 of the Earth's magnetic field while we're on the airplane, 118 00:05:25,556 --> 00:05:28,406 this is going to move back and forth. 119 00:05:28,616 --> 00:05:30,996 This is important to SOFIA because a lot 120 00:05:30,996 --> 00:05:32,956 of the instruments are very sensitive 121 00:05:33,086 --> 00:05:35,976 with the Earth's magnetic field. 122 00:05:36,516 --> 00:05:39,666 >>So the grism, it splits the light, 123 00:05:40,166 --> 00:05:42,886 and then it defracts it. So does it actually take 124 00:05:43,116 --> 00:05:47,076 and make a finer set of spectra? 125 00:05:47,080 --> 00:05:50,080 >> The prism itself will produce the dispersion. 126 00:05:50,556 --> 00:05:53,306 What the grating does is it selects the order of how 127 00:05:53,306 --> 00:05:55,466 that dispersion falls on the detector. 128 00:05:55,466 --> 00:05:58,880 The advantage of a grism is the grism, 129 00:05:58,880 --> 00:06:00,500 you can use a smaller optical component 130 00:06:00,646 --> 00:06:02,206 to get the same dispersion. 131 00:06:02,336 --> 00:06:04,576 And we can put those grisms right in the filter wheels. 132 00:06:04,846 --> 00:06:07,026 Basically, it allows you to switch back and forth 133 00:06:07,096 --> 00:06:09,306 between imaging and spectroscopy on the fly. 134 00:06:09,306 --> 00:06:10,926 >> In talking to the astronomers 135 00:06:10,926 --> 00:06:12,326 and astrophysicists here tonight, 136 00:06:12,326 --> 00:06:14,856 provided great background and great context 137 00:06:15,326 --> 00:06:19,176 for when I integrate a lot of the engineering challenges 138 00:06:19,176 --> 00:06:21,946 that go along with SOFIA into my curriculum. 139 00:06:22,196 --> 00:06:23,876 >> So there's this ring of dust and gas 140 00:06:24,436 --> 00:06:28,156 about 3 light years' radius around the central cluster, 141 00:06:28,156 --> 00:06:29,196 that super massive black hole. 142 00:06:29,456 --> 00:06:30,336 If you look more closely, 143 00:06:30,336 --> 00:06:32,236 you'll see that there's these dark bands 144 00:06:32,546 --> 00:06:35,366 at some fixed distance away from that central cluster. 145 00:06:35,446 --> 00:06:38,636 These are some of the contours from what we took from FORCAST. 146 00:06:38,636 --> 00:06:41,656 So this is at 37 microns and you can see that the contours line 147 00:06:41,656 --> 00:06:43,896 up pretty well with where those dark bands are located. 148 00:06:43,896 --> 00:06:45,296 There's no other observatory that's capable 149 00:06:45,296 --> 00:06:47,236 of looking at 37 microns. 150 00:06:47,236 --> 00:06:49,036 But SOFIA is the only observatory capable 151 00:06:49,036 --> 00:06:50,696 of getting this information right now. 152 00:06:50,746 --> 00:06:53,416 >> This is very exciting to see the actual data being taken 153 00:06:53,626 --> 00:06:55,396 and then eventually being able to be used 154 00:06:55,516 --> 00:06:56,816 in research papers and research. 155 00:06:56,966 --> 00:06:58,186 >> We've looked at supernova. 156 00:06:58,486 --> 00:07:02,216 We looked at a donut ring around the galaxy. 157 00:07:02,266 --> 00:07:05,186 We're looking at other objects in the sky. 158 00:07:05,476 --> 00:07:08,256 A big red giant and the discs around it. 159 00:07:08,466 --> 00:07:11,166 And all of these are parts of astronomy. 160 00:07:11,166 --> 00:07:14,936 And astronomy is really amazing because if you look at it 161 00:07:14,936 --> 00:07:17,716 in the infrared light, you're going to see it differently 162 00:07:17,976 --> 00:07:19,816 than when you look at it in the visible light. 163 00:07:19,876 --> 00:07:22,756 We'll be able to take some of the content we've learned here 164 00:07:23,166 --> 00:07:25,526 and teach incoming 7th, 8th, and 9th graders. 165 00:07:25,526 --> 00:07:27,456 At Air Camp U.S.A. all 166 00:07:27,456 --> 00:07:29,716 about the infrared spectrum, different aspects 167 00:07:29,766 --> 00:07:31,776 to the engineer design process with AFRL 168 00:07:31,776 --> 00:07:33,856 at Wright-Patt in Dayton, Ohio. 169 00:07:34,186 --> 00:07:38,016 And then also be able to show other applications of mapping, 170 00:07:38,016 --> 00:07:40,406 of flight plans, the integration of the total systems. 171 00:07:40,476 --> 00:07:41,146 >> One of the things 172 00:07:41,146 --> 00:07:43,956 that I always thought was just incredible was the idea 173 00:07:43,956 --> 00:07:48,456 of just exploration for the sake of exploration and to learn more 174 00:07:48,456 --> 00:07:51,086 about our origins or possibly where we're going. 175 00:07:51,316 --> 00:07:52,436 If my students were here tonight, 176 00:07:52,436 --> 00:07:55,476 I would say that this SOFIA mission proves 177 00:07:55,476 --> 00:07:58,356 that there is a purpose to learning. 178 00:07:58,356 --> 00:08:00,416 There are so many applications in math, science, 179 00:08:00,416 --> 00:08:02,646 and engineering that are being demonstrated here this evening. 180 00:08:03,416 --> 00:08:05,916 That there are practical applications for things 181 00:08:05,916 --> 00:08:08,406 that you wouldn't ordinarily think that you would use. 182 00:08:08,846 --> 00:08:11,396 So it's kind of nice that I can use this as a reference point 183 00:08:11,396 --> 00:08:12,646 when my students say, Mr. Jenkins, 184 00:08:12,646 --> 00:08:13,546 why are we learning this? 185 00:08:14,106 --> 00:08:15,986 And I can give them a specific example 186 00:08:15,986 --> 00:08:18,136 and I could even tell them some of the wonderful people 187 00:08:18,136 --> 00:08:19,566 that we've worked with tonight. 188 00:08:19,756 --> 00:08:23,216 To accomplish this wonderful exploration. 189 00:08:23,396 --> 00:08:25,256 >> The kids have sent me a lot of emails. 190 00:08:25,256 --> 00:08:26,686 And they're just really anxious for me to get back 191 00:08:26,686 --> 00:08:28,626 and tell them all about this opportunity. 192 00:08:28,840 --> 00:08:30,476 I would definitely want to share to them all 193 00:08:30,476 --> 00:08:31,866 of the different people that are involved 194 00:08:31,866 --> 00:08:33,746 in getting this flight off the ground. 195 00:08:33,746 --> 00:08:36,216 I think it's amazing how many paths people take 196 00:08:36,346 --> 00:08:37,516 to come work at NASA. 197 00:08:38,180 --> 00:08:39,980 How there's so many different jobs 198 00:08:40,046 --> 00:08:41,246 and how well coordinated it is 199 00:08:41,246 --> 00:08:43,176 to get this aircraft off the ground 200 00:08:43,176 --> 00:08:44,356 and to get the science running 201 00:08:44,516 --> 00:08:45,896 and to get the telescope running, 202 00:08:46,086 --> 00:08:48,406 and to collect the data and everything that's involved 203 00:08:48,476 --> 00:08:51,826 so that they realize that this is not just a one-man operation, 204 00:08:51,826 --> 00:08:52,376 that NASA 205 00:08:52,376 --> 00:08:53,926 is a lot of different people with a lot 206 00:08:54,206 --> 00:08:55,466 of different backgrounds coming together 207 00:08:55,716 --> 00:08:56,916 and getting this science done.