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返回首页公开课 NASA微课堂

简介：选自Youtube的NASA频道，抽出1-2分钟听专家解释对于宇宙的好奇提问。火星上有彩虹吗？白天在月球上能看到什么？外星人真的存在吗？

: Are There Rainbows on Mars? We Asked a NASA Expert; 23735; 2021-12-29

: Why Can You See the Moon During the Day? We Asked a NASA Scientist; 11300; 2021-12-22

: Is There Water on Mars? We Asked a NASA Scientist; 7484; 2021-12-15

: Are There Oceans on Other Worlds? We Asked a NASA Expert; 6598; 2021-12-08

: What’s it Like Landing on Mars? We Asked a NASA Expert; 5291; 2021-12-01

: Is NASA Really Crashing a Spacecraft into an Asteroid? We Asked a NASA Expert; 4461; 2021-11-17

: Is NASA Aware of Any Earth-Threatening Asteroids? We Asked a NASA Expert; 4183; 2021-11-10

: When Was the Last Time an Asteroid Hit Earth? We Asked a NASA Expert; 3841; 2021-11-03

: How Did Perseverance Pick its Landing Spot? We Asked a NASA Expert; 3745; 2021-10-27

: What are Lagrange Points? We Asked a NASA Scientist; 3257; 2021-10-06

: What are the Trojan Asteroids? We Asked a NASA Scientist; 3567; 2021-09-30

: Is There Oxygen on Mars? We Asked a NASA Technologist; 4361; 2021-09-22

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