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0 votes
0 answers
8 views

Is this how we should allocate DSN time and personell -- for sending rap music to venus when there's no radio receiver there?

10 votes
2 answers
450 views

How do cables and cooling lines transverse the pressure hull of the International Space Station?

3 votes
1 answer
23 views

Has Blue Origin carried out any flight or landing tests of the New Glenn first stage?

4 votes
2 answers
2k views

How do satellite trackers work when showing a "satellite"?

2 votes
0 answers
99 views

What caused the LOX leak on Falcon 9?

7 votes
1 answer
1k views

Can Falcon Heavy be used as a temporary replacement for the Falcon 9?

5 votes
0 answers
142 views

Why don't rocket engines use heat tiles on the inside?

10 votes
2 answers
440 views

Deke Slayton's Molded Mercury Capsule Couch?

3 votes
1 answer
66 views

What's the numeral name of the recently launched Starlink satellites and where can I track them?

23 votes
3 answers
3k views

Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem?

1 vote
0 answers
707 views

How much krypton do Starlink satellites carry when they are first deployed?

3 votes
2 answers
2k views

Has a rocket engine ever been reused by a second/third stage

4 votes
1 answer
143 views

What are the tradeoffs in propellant choices for ion/electric based engines?

7 votes
1 answer
207 views

What would an effective means be of protecting a habitat from UV-C radiation?

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