1 00:00:00,890 --> 00:00:04,759 Space Station crew returns safely to Earth … 2 00:00:04,759 --> 00:00:07,850 Practice for our asteroid sample return mission … 3 00:00:07,850 --> 00:00:13,050 And a new discovery from old data … a few of the stories to tell you about – This 4 00:00:13,050 --> 00:00:16,090 Week at NASA! 5 00:00:16,090 --> 00:00:21,109 On April 17, our Andrew Morgan, Jessica Meir, and Oleg Skripochka, of the Russian space 6 00:00:21,109 --> 00:00:27,460 agency Roscosmos, said goodbye to the International Space Station’s Expedition 63 crew, including 7 00:00:27,460 --> 00:00:29,339 our Chris Cassidy. 8 00:00:29,339 --> 00:00:34,539 Several hours later Morgan, Meir, and Skripochka landed safely in Kazakhstan. 9 00:00:34,539 --> 00:00:39,300 Morgan spent nine months on the station while Meir was onboard for about six months. 10 00:00:39,300 --> 00:00:43,930 During that time, she conducted the first three all-woman spacewalks with NASA’s Christina 11 00:00:43,930 --> 00:00:46,030 Koch. 12 00:00:46,030 --> 00:00:51,820 On April 14, we conducted the first practice run with our OSIRIS-REx spacecraft in preparation 13 00:00:51,820 --> 00:00:58,040 for its attempt this August to collect a sample from asteroid Bennu, and safely return that 14 00:00:58,040 --> 00:00:59,440 sample to Earth. 15 00:00:59,440 --> 00:01:04,430 The rehearsal, known as “Checkpoint,” placed the spacecraft the closest it has ever 16 00:01:04,430 --> 00:01:05,470 been to Bennu. 17 00:01:05,470 --> 00:01:11,119 This is NASA’s first-ever sample return mission to an asteroid. 18 00:01:11,119 --> 00:01:16,729 Old data from our Kepler space telescope, which was retired in 2018, has led to the 19 00:01:16,729 --> 00:01:23,000 discovery of an Earth-size exoplanet in its star's habitable zone, about 300 light years 20 00:01:23,000 --> 00:01:24,370 from Earth. 21 00:01:24,370 --> 00:01:30,850 Out of all the exoplanets found by Kepler, this distant world, called Kepler-1649c, is 22 00:01:30,850 --> 00:01:35,950 most similar to Earth in size and estimated temperature. 23 00:01:35,950 --> 00:01:39,829 The 50th anniversary of Earth Day is April 22. 24 00:01:39,829 --> 00:01:45,100 To help observe the anniversary virtually, in this new world of social distancing, we 25 00:01:45,100 --> 00:01:52,490 have put together new and curated online videos, activities, and other resources at nasa.gov/earthday. 26 00:01:52,490 --> 00:01:56,440 Some of the material is available in both English and Spanish. 27 00:01:56,440 --> 00:02:02,829 We also encourage you to use the hashtag #EarthDayAtHome to share images showing what you did to observe 28 00:02:02,829 --> 00:02:05,340 Earth Day. 29 00:02:05,340 --> 00:02:10,610 NASA is looking for help from video gamers and citizen scientists to map coral reefs 30 00:02:10,610 --> 00:02:12,250 around the world. 31 00:02:12,250 --> 00:02:17,849 Participants will play a video game to identify and classify corals while virtually traveling 32 00:02:17,849 --> 00:02:19,500 in an ocean vessel. 33 00:02:19,500 --> 00:02:25,770 The game, called NeMO-Net, which is available for iOS devices and Mac computers, uses 3D 34 00:02:25,770 --> 00:02:32,190 images of the ocean floor, corals, algae and seagrass taken by specialized NASA instruments 35 00:02:32,190 --> 00:02:34,720 mounted on drones or aircraft. 36 00:02:34,720 --> 00:02:39,730 Data from NeMO-Net will eventually enable NASA’s Pleiades supercomputer to map out 37 00:02:39,730 --> 00:02:42,730 the world's corals at an unprecedented resolution. 38 00:02:42,730 --> 00:02:46,190 That’s what’s up this week @NASA …