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TheEnvironmentalist
  • Member for 5 years
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53 votes
5 answers
15k views

Does NASA have an end-of-the-world policy?

38 votes
5 answers
8k views

How do rocket scientists do iterative development?

37 votes
3 answers
5k views

How do you reliably blow up a rocket that was built not to explode?

28 votes
7 answers
4k views

The Martian: Does it really take a supercomputer to calculate spaceflight maneuvers?

27 votes
4 answers
4k views

Do other planets and moons share Earth’s mineral diversity?

25 votes
3 answers
5k views

What is the "mass" of a Lagrange point?

23 votes
2 answers
3k views

When burns are made during inefficient parts of the orbit, where does the lost energy go?

11 votes
2 answers
2k views

Does going to Mars take the same energy as making a rendezvous with something going to Mars?

9 votes
1 answer
126 views

How do I get an astronaut to do my science in space?

8 votes
2 answers
1k views

How much delta-v does it take to go from one arbitrary orbit to another?

5 votes
3 answers
993 views

What happens if you jump on a "spin ship"?

5 votes
0 answers
56 views

Is there a publicly available inventory of things sent to the ISS?

5 votes
1 answer
311 views

What's the point of characteristic energy?

4 votes
5 answers
1k views

Why is specific impulse equivalent to effective exhaust velocity?

4 votes
1 answer
201 views

Which deorbit trajectory minimizes reentry heating?

2 votes
1 answer
144 views

Which medications do you bring to Mars?

1 vote
0 answers
25 views

How do you balance speed and exposure time when trying to reduce heating? [duplicate]

0 votes
0 answers
36 views

If I know the masses, positions, and velocities of two objects, how do I calculate their trajectories under gravity?