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Space Exploration
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Greg's user avatar
Greg's user avatar
Greg
  • Member for 5 years, 6 months
  • Last seen more than a month ago
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68
Why is delta-v the most useful quantity for planning space travel?
Mar 25, 2019
52
In what state are satellites left in when they are left in a graveyard orbit?
Sep 12, 2019
21
What was so hard about the washer nuts on the JWST?
Dec 31, 2022
20
Is the mass of paint relevant in rocket design?
Sep 19, 2019
17
Is it always one nozzle per combustion chamber and one combustion chamber per nozzle?
Jan 23, 2021
15
Did Ed White, on his Gemini 4 spacewalk, have to release pressure from his suit to reenter the capsule?
May 29, 2020
13
Have there been any setbacks due to COVID-19-- like delays or data-loss?
Apr 4, 2020
11
Did a spacecraft ever use an atmosphere to accelerate away from a planet?
Mar 28, 2020
11
Examples of space research applied to Earthly manufacturing
Jun 23, 2019
9
Why are lunar orbits unstable?
Jul 11, 2020