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1 answer
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How do space launch providers calculate how many millipeople a rocket launch could kill?

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How far could Apollo have got from the earth and still return safely?

15 votes
1 answer
403 views

Does the SpaceX spacesuit address any of the criticisms of ACES raised by Columbia Crew Survival Investigation Report?

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2 answers
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If the Apollo 17 astronauts had gone for Mars, where would they have gotten?

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What are the factors affecting a satellite's Repeat Ground Track period?

2 votes
1 answer
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What's that material on the Varda capsule that looks like cake sugar icing?

5 votes
2 answers
157 views

How to build an orbit propagator?

3 votes
2 answers
261 views

In principle, could the oxygen tanks of an 'air breathing' rocket, be filled during ascent?

11 votes
3 answers
1k views

Ingenuity extended static mission science possibilites

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Are there currently no targeted New Shepard launches?

10 votes
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What is the lowest-inclination orbit ever achieved by a US crewed spacecraft?

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What's the orbital inclination range Crew Dragons can reach if the Falcon 9 first stage is about to be recovered?

6 votes
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What's the point of characteristic energy?

26 votes
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Could Apollo have survived the lander toppling over?

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