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dotancohen
  • Member for 10 years, 7 months
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60 votes
4 answers
60k views

Why not build Saturn V's again?

40 votes
7 answers
8k views

What crimes have been committed or attempted in space?

26 votes
6 answers
23k views

Why did Armstrong pilot the LM, when Aldrin was tasked as Lunar Module Pilot?

22 votes
2 answers
5k views

Why were jet engines not used in place of the solid fuel in the STS SRBs?

17 votes
1 answer
2k views

Was the LES used in the MS-10 abort?

12 votes
1 answer
585 views

What advice did NASA give Kennedy prior to his "Go to the moon" speech?

12 votes
2 answers
3k views

Which high-resolution Earth-facing satellites transmit data to the public in realtime?

11 votes
2 answers
2k views

Have SRBs or SSMEs ever launched without a space shuttle?

9 votes
1 answer
735 views

Why were individual shuttle tiles changed from white to black or black to white?

7 votes
2 answers
914 views

How had the Saturn V lifting capacity changed throughout the Apollo program?

7 votes
1 answer
3k views

If a rocket launch is delayed, what happens to the cryogenics?

6 votes
1 answer
4k views

How to identify which Space Shuttle, from a high-res cockpit photograph?

6 votes
1 answer
2k views

Space Shuttle Orbiter VRCS

6 votes
1 answer
494 views

Which RS-25s are on the Artemis 1 rocket?

5 votes
1 answer
572 views

Does freezing carbon dioxide present a "temperature obstacle" on Mars?

5 votes
0 answers
238 views

Planetary migration due to tidal forces

5 votes
1 answer
239 views

Was the gravitational pull at Philae's landing site known prior to landing?

4 votes
1 answer
319 views

Belt of matter at ~14 AU?

3 votes
0 answers
50 views

Where would one find information on the fuel properties (temp, max ISP) of non-conventional rocket fuels?

3 votes
1 answer
128 views

Original Mariner 4 data values

1 vote
0 answers
101 views

What happens at T-0 for the SpaceX Starship?