1 00:00:05,590 --> 00:00:02,710 there's also dsi you'll see there's a 2 00:00:07,749 --> 00:00:05,600 couple dsi people back there so 3 00:00:10,070 --> 00:00:07,759 they they operate the telescope and it's 4 00:00:11,830 --> 00:00:10,080 designed for 20-year lifetimes and we've 5 00:00:14,070 --> 00:00:11,840 just started 6 00:00:16,070 --> 00:00:14,080 we have more flights and longer flights 7 00:00:17,910 --> 00:00:16,080 the operation is in palmdale california 8 00:00:18,790 --> 00:00:17,920 just north of la 9 00:00:21,109 --> 00:00:18,800 and 10 00:00:23,189 --> 00:00:21,119 the science center is in nasa ames it's 11 00:00:25,349 --> 00:00:23,199 just south of san francisco so we've got 12 00:00:27,589 --> 00:00:25,359 two nasa centers working together on 13 00:00:29,830 --> 00:00:27,599 this very important uh project we 14 00:00:32,150 --> 00:00:29,840 basically float the whole telescope it's 15 00:00:34,069 --> 00:00:32,160 10 metric tons and 16 00:00:35,670 --> 00:00:34,079 it just floats there there are motors 17 00:00:37,590 --> 00:00:35,680 then that move it around there are 18 00:00:38,549 --> 00:00:37,600 gyroscopes that keep it accurately 19 00:00:41,030 --> 00:00:38,559 pointed 20 00:00:42,630 --> 00:00:41,040 the sp didn't fly that long because it 21 00:00:44,549 --> 00:00:42,640 wasn't 22 00:00:46,470 --> 00:00:44,559 all that profitable i think 23 00:00:49,430 --> 00:00:46,480 and so it actually doesn't have that 24 00:00:51,029 --> 00:00:49,440 many hours on it relative to a 25 00:00:53,750 --> 00:00:51,039 and they refurbished it so it's in 26 00:00:56,709 --> 00:00:53,760 really good shape so i think it could go 27 00:00:58,549 --> 00:00:56,719 on longer than 20 years easily also this 28 00:00:59,910 --> 00:00:58,559 time of year the water vapor is actually 29 00:01:02,229 --> 00:00:59,920 very low 30 00:01:04,789 --> 00:01:02,239 uh so the flying conditions are quite 31 00:01:08,070 --> 00:01:04,799 good definitely one of the big pluses 32 00:01:10,469 --> 00:01:08,080 for sofia is the ability to move one 33 00:01:13,030 --> 00:01:10,479 instant put one instrument on take the 34 00:01:15,510 --> 00:01:13,040 science then take it off and now we are 35 00:01:18,070 --> 00:01:15,520 evacuating our fire sets because our 36 00:01:20,950 --> 00:01:18,080 detectors are superconductive detectors 37 00:01:23,510 --> 00:01:20,960 they have to be cooled down minus 270 38 00:01:25,350 --> 00:01:23,520 degrees c and later this afternoon we 39 00:01:26,789 --> 00:01:25,360 will fill the cryostats with blinky's 40 00:01:28,789 --> 00:01:26,799 nitrogen 41 00:01:31,190 --> 00:01:28,799 we get this low temperature to get our 42 00:01:32,710 --> 00:01:31,200 defective operation christchurch is 43 00:01:36,149 --> 00:01:32,720 certainly a big 44 00:01:37,670 --> 00:01:36,159 part of the answer both because you have 45 00:01:39,590 --> 00:01:37,680 really good weather here this time of 46 00:01:42,710 --> 00:01:39,600 year and you have some really nice 47 00:01:44,789 --> 00:01:42,720 objects in the sky to study the whole 48 00:01:47,190 --> 00:01:44,799 milky way in the south 49 00:01:48,069 --> 00:01:47,200 where stars are forming like nowhere 50 00:01:50,389 --> 00:01:48,079 else 51 00:01:52,950 --> 00:01:50,399 there's also the magellanic clouds that 52 00:01:55,030 --> 00:01:52,960 are forming stars different because they 53 00:01:58,310 --> 00:01:55,040 have a whole different 54 00:02:00,069 --> 00:01:58,320 metallicity that's how many atoms 55 00:02:02,630 --> 00:02:00,079 of heavy 56 00:02:04,550 --> 00:02:02,640 oxygen and nitrogen are in between the 57 00:02:06,469 --> 00:02:04,560 stars and 58 00:02:09,109 --> 00:02:06,479 people are extremely interested in this 59 00:02:11,029 --> 00:02:09,119 question for questions about how did the