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Fred
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154 If the astronauts on Apollo 11 had landed safely on the moon but could not take off, would there have been a rescue mission? May 24 '17
68 How (the heck) did Lunokhod 2 drive, navigate and survive a ~40 kilometer drive over four months on the Moon using 1970's technology? Aug 16
29 Cartoon-like characters on the side of the Tianwen-1 Mars lander? Aug 26
21 Why doesn't Roscosmos launch Soyuz spacecraft with only Russians on board? Apr 24 '20
19 Could you feel the wind on Mars? Jun 3 '15
17 Procedure to deal with the death of Apollo astronaut during a lunar mission Jul 18 '20
16 Is there dirt or its structural equivalent on Mars? Jul 29
16 What causes moonquakes? Aug 4 '15
15 Would it have been possible to launch rockets in secret in the 1960s? Oct 19 '20
15 What sort of analysis was performed before "modern" computing and the invention of finite element analysis and computational fluid dynamics? Jan 17 '15
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