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choeger
  • Member for 7 years, 9 months
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17 votes
1 answer
1k views

Is the difference in orbital velocity of different parts measurable on board the ISS?

16 votes
2 answers
2k views

Is the Falcon Heavy booster much simpler to land than the Falcon 9 first stage?

15 votes
6 answers
683 views

What limits miniaturization of space probes?

12 votes
4 answers
11k views

Bounce off the atmosphere at reentry?

11 votes
1 answer
329 views

Liquids Plumbing on board

11 votes
1 answer
4k views

How did the Space Shuttle maintain thrust/weight balance

10 votes
2 answers
2k views

Would a nuclear propelled spaceship still need a storm shelter?

10 votes
2 answers
2k views

How does propellant flow work in a nuclear thermal rocket?

8 votes
1 answer
504 views

Why is the Dragon small compared with the Falcon 9 LEO payload

7 votes
1 answer
407 views

Is it possible to develop a small orbital rocket, like RocketLab's Electron, for a weapons delivery system?

6 votes
1 answer
711 views

Why is the development of the Falcon Heavy difficult, when two of three cores are reused?

6 votes
1 answer
569 views

How would a manned Mars Lander be tested

6 votes
2 answers
2k views

Dragon 2 Propellant Capacity

5 votes
3 answers
4k views

Common usage of "dry-mass"

5 votes
4 answers
1k views

Why is comet deflection so hard (and how does a fusion rocket help)?

5 votes
1 answer
651 views

What does SpaceX do with all the engines?

5 votes
0 answers
462 views

Optimizing Suicide Burn

3 votes
2 answers
178 views

Could Solar Cells provide Neutron shielding?

3 votes
2 answers
506 views

Can landing modules use left over fuel from earlier stages?

3 votes
2 answers
354 views

What exactly makes Red Dragon costly

3 votes
1 answer
227 views

Plausible starting parameters for a Moon suicide burn

2 votes
3 answers
235 views

How variable is the landing spot of a reusable Falcon 9 with a GTO payload

2 votes
1 answer
545 views

Why do we always only launch one probe? [duplicate]

2 votes
0 answers
113 views

Shielding requirements for Antimatter drive

1 vote
1 answer
294 views

What are the challenges of a large Bola style Habitat

1 vote
0 answers
66 views

Does a low-orbit communication network drive a sustainable launch market?