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coleopterist
  • Member for 10 years, 9 months
  • Last seen more than 9 years ago
38 votes
3 answers
33k views

Where are Pioneer 10, 11 and the Voyagers ultimately headed?

36 votes
2 answers
47k views

What kind of laptops do ISS astronauts use?

31 votes
6 answers
9k views

Did the Space Shuttle have "military uses"?

28 votes
2 answers
1k views

How can spacecraft navigate without contact from Earth?

27 votes
5 answers
3k views

Are artificial satellites completely sealed or open to space?

26 votes
1 answer
4k views

Do all launches include self-destruct mechanisms?

24 votes
1 answer
2k views

How are flight plans calculated?

24 votes
1 answer
8k views

Do ISS astronauts have to be conversant in both English and Russian?

24 votes
3 answers
7k views

Do spacecraft have similar structural integrity requirements as submarines?

23 votes
1 answer
2k views

Why do the Mars rovers move so cautiously?

23 votes
2 answers
2k views

Does space flight have any positive effects on the human body?

22 votes
2 answers
8k views

How full is the geostationary belt?

20 votes
2 answers
1k views

Can spacecraft be made invisible to stations on Earth?

20 votes
3 answers
3k views

How does astronaut activity from within affect a spacecraft?

20 votes
3 answers
2k views

How do Russia, China, Japan, and India track their spacecraft?

20 votes
3 answers
22k views

How much of an advantage do equator-proximal launch sites provide?

17 votes
2 answers
5k views

Why does Curiosity use an RTG rather than solar (as Spirit and Opportunity do) for power?

14 votes
2 answers
5k views

What is the life expectancy of a geosynchronous satellite dependent on?

14 votes
4 answers
1k views

How do spacecraft measure onboard gravity?

14 votes
1 answer
7k views

Changing the rotational rate of a natural body

13 votes
4 answers
2k views

Day versus night launches

13 votes
4 answers
5k views

Why do reaction wheels fail so "frequently"?

11 votes
2 answers
524 views

Is it feasible to pump fuel into orbit?

10 votes
2 answers
19k views

What is the success rate of NASA launches?