1 00:00:06,869 --> 00:00:05,030 houston station on space to ground 2 00:00:07,990 --> 00:00:06,879 welcome to space to ground i'm schnickel 3 00:00:10,470 --> 00:00:08,000 vereen 4 00:00:13,030 --> 00:00:10,480 on tuesday march 15th nasa astronauts 5 00:00:15,030 --> 00:00:13,040 kayla baron and rasha atari will venture 6 00:00:17,830 --> 00:00:15,040 outside the orbiting outpost to perform 7 00:00:20,390 --> 00:00:17,840 irosa 3a power channel preparations 8 00:00:22,950 --> 00:00:20,400 irosa or iss rollout solar array 9 00:00:24,390 --> 00:00:22,960 upgrades have been ongoing since 2020 10 00:00:26,310 --> 00:00:24,400 baron and chary will install the 11 00:00:27,990 --> 00:00:26,320 modification kit in preparation for the 12 00:00:29,589 --> 00:00:28,000 new solar array 13 00:00:31,669 --> 00:00:29,599 the international space station has 14 00:00:33,670 --> 00:00:31,679 eight power channels each fed with 15 00:00:35,750 --> 00:00:33,680 electrical power generated from one 16 00:00:38,630 --> 00:00:35,760 solar array wing extending from the 17 00:00:40,389 --> 00:00:38,640 station's truss backbone the original 18 00:00:43,750 --> 00:00:40,399 solar panels launched on four space 19 00:00:45,910 --> 00:00:43,760 shuttle missions from 2000 to 2009 20 00:00:48,470 --> 00:00:45,920 as expected the solar panel efficiency 21 00:00:50,310 --> 00:00:48,480 has degraded over time nasa is upgrading 22 00:00:52,310 --> 00:00:50,320 the space station's power system with 23 00:00:54,229 --> 00:00:52,320 the new rollout solar arrays which will 24 00:00:56,950 --> 00:00:54,239 partially cover six of the station's 25 00:00:59,270 --> 00:00:56,960 eight original solar panels when all six 26 00:01:01,029 --> 00:00:59,280 irosa units are deployed on the station 27 00:01:04,869 --> 00:01:01,039 the power system will be capable of 28 00:01:06,630 --> 00:01:04,879 generating 215 kilowatts of electricity 29 00:01:08,630 --> 00:01:06,640 back inside the station this week the 30 00:01:10,630 --> 00:01:08,640 science continued with cameras that 31 00:01:12,390 --> 00:01:10,640 could save your crops 32 00:01:14,390 --> 00:01:12,400 imagine if farmers could get advanced 33 00:01:16,630 --> 00:01:14,400 warnings of water stress in their crops 34 00:01:19,030 --> 00:01:16,640 alerting them to changes in crop health 35 00:01:20,630 --> 00:01:19,040 days to weeks before they become visible 36 00:01:22,550 --> 00:01:20,640 they would be able to head off those 37 00:01:25,190 --> 00:01:22,560 issues and decrease chances of crop 38 00:01:27,670 --> 00:01:25,200 losses a new experiment heading outside 39 00:01:29,590 --> 00:01:27,680 the space station aims to do just that 40 00:01:31,910 --> 00:01:29,600 nasa flight engineer kayla barron 41 00:01:34,230 --> 00:01:31,920 installed the long wave infrared sensing 42 00:01:36,550 --> 00:01:34,240 demonstrator or lissar on the nanorex 43 00:01:38,469 --> 00:01:36,560 external platform this week the cube 44 00:01:40,149 --> 00:01:38,479 satellite will reside on the exposed 45 00:01:42,630 --> 00:01:40,159 facility of the japanese experiment 46 00:01:44,550 --> 00:01:42,640 module for several months it will test a 47 00:01:46,469 --> 00:01:44,560 thermal infrared sensor for taking 48 00:01:48,870 --> 00:01:46,479 precise measurements of earth's surface 49 00:01:50,710 --> 00:01:48,880 temperature and monitor water resources 50 00:01:52,550 --> 00:01:50,720 this testing is a first step on the path 51 00:01:54,230 --> 00:01:52,560 to launching constellations of small 52 00:01:56,709 --> 00:01:54,240 satellites that could take measurements 53 00:01:58,389 --> 00:01:56,719 around the entire globe every day this 54 00:02:01,270 --> 00:01:58,399 knowledge could help farmers achieve 55 00:02:02,789 --> 00:02:01,280 more yield and better quality crops 56 00:02:07,460 --> 00:02:02,799 that's space to ground thanks for