Skip to main content
Saturn V's user avatar
Saturn V's user avatar
Saturn V's user avatar
Saturn V
  • Member for 1 year, 8 months
  • Last seen this week
25 votes
5 answers
6k views

Why is it so hard to build a closed-loop ecological life support system?

23 votes
3 answers
8k views

Why aren't the radiators on the ISS straight?

11 votes
3 answers
2k views

An alternative architecture for a mission to Mars

11 votes
1 answer
2k views

How many kg of air escape from the Quest airlock during one EVA?

8 votes
1 answer
1k views

How does air circulate between modules on the ISS?

8 votes
1 answer
194 views

What is the longest working cubesat?

6 votes
1 answer
880 views

Manned Spacecraft/Space Station design Requirements

4 votes
1 answer
292 views

What will be the pressure inside the Orion spacecraft?

3 votes
1 answer
84 views

Secondary radiation on the moon? (reference request)

3 votes
1 answer
810 views

Life support system weight estimate

3 votes
1 answer
188 views

What do the module walls look like on the ISS?

3 votes
1 answer
848 views

How are oxygen and nitrogen replenished in the storage tanks on the ISS?

2 votes
1 answer
259 views

Composite pressure vessels for manned spaceflight

1 vote
1 answer
86 views

What is the relationship between the power supply system and the thermal control system?

1 vote
1 answer
160 views

Why should nozzles be perfectly expanded?

-2 votes
1 answer
104 views

Can robots take the jobs of humans in space? [closed]

-2 votes
1 answer
246 views

Why is insulation used in spacecraft thermal control?