uhoh
  • Member for 6 years, 1 month
  • Last seen this week
  • Taipei, Earth
3 answers
14 votes
411 views
5 bookmarks
How is RF spectrum usage coordinated in Mars orbit?
3 answers
14 votes
13k views
3 bookmarks
Can you swim in space?
2 answers
14 votes
3k views
3 bookmarks
How will Juno establish existence of solid core within Jupiter and determine its size?
2 answers
14 votes
904 views
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Why does the ISS crew wear a dust mask in BEAM?
1 answers
14 votes
4k views
4 bookmarks
How does the gravity of a massive non-spherical object act on things around it?
3 answers
14 votes
2k views
3 bookmarks
Cubesats in lunar orbit and beyond - how does communication work?
2 answers
14 votes
981 views
1 bookmarks
Are sun-synchronous orbits possible around any body?
1 answers
14 votes
3k views
2 bookmarks
Can the Sun set twice during the same day on Mercury?
2 answers
14 votes
4k views
6 bookmarks
Why would Sun-synchronous orbits be impossible around perfectly spherical bodies?
3 answers
14 votes
1k views
2 bookmarks
Is there an intuitive reason for why the shape of the orbit at perigee is the mirror image of that at the apogee?
4 answers
14 votes
2k views
2 bookmarks
Why are rocket mass on the launch pad and payload mass to LEO not strongly correlated?
5 answers
14 votes
21k views
5 bookmarks
Cubesat Launch Costs
6 answers
14 votes
7k views
5 bookmarks
Can cosmic background be harvested for energy?
2 answers
13 votes
1k views
3 bookmarks
How do orbital boosts affect the structural integrity of the ISS?
1 answers
13 votes
578 views
2 bookmarks
Could you stably orbit around a square (cubic) body? Would the orbit destabilize automatically if not corrected by input?
1 answers
13 votes
4k views
2 bookmarks
What does "side view" of solar system look like?
1 answers
13 votes
680 views
2 bookmarks
What are the windows on the Russian segement of the ISS made of?
1 answers
13 votes
2k views
3 bookmarks
What is a typical energy demand and carbon footprint of a space launch?
4 answers
13 votes
1k views
3 bookmarks
Was the Apollo spacecraft always gravitationally bound to the Earth-Moon system?
3 answers
13 votes
2k views
3 bookmarks
What is the closest flyby to date?
2 answers
13 votes
2k views
1 bookmarks
What is this gap in the GNSS satellite trajectories?
2 answers
13 votes
4k views
5 bookmarks
Why did SpaceX choose gas thrusters over reaction wheels/CMGs?
3 answers
13 votes
4k views
3 bookmarks
How long does Max-Q last?
2 answers
13 votes
1k views
1 bookmarks
How stable are satellites in a graveyard orbit
3 answers
13 votes
4k views
8 bookmarks
2D Orbital Path from State Vectors
3 answers
13 votes
14k views
4 bookmarks
Are there any benefits to launching from Vandenberg AFB instead of Cape Canaveral?
4 answers
13 votes
1k views
2 bookmarks
What was the reason for an odd number of astronauts in almost every group of the early US space program?
2 answers
12 votes
22k views
3 bookmarks
How are New Horizons images sent back to Earth?
2 answers
12 votes
3k views
3 bookmarks
Lightest possible solar array?
2 answers
12 votes
2k views
2 bookmarks
Picture of equipment left on the Moon?
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