Space Exploration Stack Exchange is a question and answer site for spacecraft operators, scientists, engineers, and enthusiasts. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Explore our Questions

28 votes
3 answers
2k views

What happens to defunct lunar and Mars rovers? What technological barriers prevent humanity from creating a perpetual rover?

7 votes
1 answer
127 views

Is lunar exploration going to need a whole heck of a lot of RTGs? If so, have they started firing up the RTG-making reactors yet?

6 votes
3 answers
114 views

Is crater counting accurate for relative dating between celestial bodies?

1 vote
1 answer
372 views

Why doesn't NASA fly its rockets on suborbital trajectories to the Moon?

28 votes
6 answers
5k views

Could liquid airlocks work?

5 votes
2 answers
295 views

Does the Moon's atmosphere have any amount of human-provided xenon?

6 votes
1 answer
2k views

Could we achieve aerodynamic and aerostatic lift on the Moon if it had an atmosphere of xenon?

3 votes
0 answers
101 views

Did Chang'e-3 and/or Yutu report getting hit by the Earth's magnetotail?

8 votes
3 answers
3k views

Why are there no video transmissions from the Moon and Mars?

0 votes
1 answer
199 views

Can we launch from the moon?

6 votes
0 answers
137 views

Will a watermelon decompose on the Moon?

10 votes
2 answers
705 views

How quickly do the Van Allen radiation belts degrade solar panels?

2 votes
1 answer
368 views

Can anyone find a more recent NASA paid for study on lunar tunnel-boring machine?

3 votes
1 answer
428 views

Why is the LROC lunar data not showing farside of the moon?

Browse more Questions