1 00:00:00,500 --> 00:00:02,569 A critical test for our Commercial Crew Program ... 2 00:00:02,635 --> 00:00:05,638 Spacewalkers focus on upgrades aboard the space 3 00:00:05,705 --> 00:00:06,840 station ... 4 00:00:06,906 --> 00:00:09,976 And paying tribute to one of our Great Observatories ... 5 00:00:10,043 --> 00:00:11,711 a few of the stories to tell you about - 6 00:00:11,780 --> 00:00:12,860 This Week at NASA! 7 00:00:18,020 --> 00:00:21,360 We teamed with SpaceX on Jan. 19 8 00:00:21,421 --> 00:00:23,490 to test the launch escape system of the company's 9 00:00:23,556 --> 00:00:25,959 Crew Dragon spacecraft and Falcon 9 rocket. 10 00:00:26,025 --> 00:00:28,728 The system protects astronauts in the unlikely 11 00:00:28,795 --> 00:00:30,730 event of an emergency during launch. 12 00:00:30,797 --> 00:00:33,533 This was the final major flight test before crew 13 00:00:33,600 --> 00:00:35,135 flights to the International Space 14 00:00:35,201 --> 00:00:36,369 Station. 15 00:00:36,436 --> 00:00:38,071 The International Space Station's 16 00:00:38,138 --> 00:00:40,673 Expedition 61 crew conducted a pair of 17 00:00:40,740 --> 00:00:43,743 spacewalks to complete some important upgrades. 18 00:00:43,810 --> 00:00:44,944 On Jan. 20, 19 00:00:45,011 --> 00:00:48,248 our Jessica Meir and Christina Koch installed 20 00:00:48,314 --> 00:00:51,618 the final new lithium-ion battery as part of an 21 00:00:51,684 --> 00:00:53,420 overall upgrade to the station's 22 00:00:53,486 --> 00:00:57,190 power system that began in January 2017. 23 00:00:57,257 --> 00:01:00,427 Five days later our Andrew Morgan and ESA's 24 00:01:00,493 --> 00:01:03,897 Luca Parmitano finished repairs of a cosmic ray 25 00:01:03,963 --> 00:01:07,767 detector. After 16 years of amazing discoveries, 26 00:01:07,834 --> 00:01:10,837 the mission of our Spitzer Space Telescope will soon 27 00:01:10,904 --> 00:01:11,504 end. 28 00:01:11,571 --> 00:01:14,174 Its infrared scans of the cosmos have discovered 29 00:01:14,240 --> 00:01:16,776 several Earth-size exoplanets and produced 30 00:01:16,843 --> 00:01:18,445 some breathtaking images. 31 00:01:18,511 --> 00:01:20,647 Engineers will decommission the 32 00:01:20,713 --> 00:01:22,916 spacecraft on Jan. 30. 33 00:01:22,982 --> 00:01:25,685 Our OSIRIS-REx spacecraft completed the closest 34 00:01:25,752 --> 00:01:28,888 science observations to date of a sample site 35 00:01:28,955 --> 00:01:31,891 during a flyover only four-tenths of a mile 36 00:01:31,958 --> 00:01:33,893 above Nightingale -- the mission's 37 00:01:33,960 --> 00:01:36,529 primary sample site on asteroid Bennu. 38 00:01:36,596 --> 00:01:38,765 High-resolution images collected during the 39 00:01:38,832 --> 00:01:41,401 flyover will help the spacecraft avoid hazards 40 00:01:41,468 --> 00:01:43,770 during sample collection later this year. 41 00:01:49,676 --> 00:01:52,145 Our annual commemoration of Martin Luther King, 42 00:01:52,212 --> 00:01:55,281 Jr. included a program at our headquarters featuring 43 00:01:55,348 --> 00:01:58,418 words from former astronaut Scott Altman and 44 00:01:58,485 --> 00:02:01,521 Janice Mathis, Esq., executive director of the 45 00:02:01,588 --> 00:02:03,556 National Council of Negro Women. 46 00:02:03,623 --> 00:02:07,026 And from space, astronauts Jessica Meir and Christina 47 00:02:07,093 --> 00:02:10,230 Koch had these words of tribute to Dr. King at the 48 00:02:10,296 --> 00:02:11,564 conclusion of their Jan. 49 00:02:11,631 --> 00:02:12,799 20 spacewalk. 50 00:02:12,866 --> 00:02:15,568 "When one has the spectacular view that we 51 00:02:15,635 --> 00:02:16,603 have today - 52 00:02:16,669 --> 00:02:19,906 looking down on our one common home, planet Earth, 53 00:02:19,973 --> 00:02:21,407 his words resonate loudly." 54 00:02:21,474 --> 00:02:25,211 It's so meaningful for us today to be out here on 55 00:02:25,278 --> 00:02:27,447 the day we honor Martin Luther King, Jr. who paved 56 00:02:27,514 --> 00:02:31,017 the way not only for us, but for so many that have 57 00:02:31,084 --> 00:02:31,851 a dream." 58 00:02:31,918 --> 00:02:32,585 That's what's up 59 00:02:32,652 --> 00:02:34,187 this week @NASA ... 60 00:02:34,254 --> 00:02:36,189 For more on these and other stories, follow us