Space Exploration Beta
uhoh
  • Taipei, Earth
  • Member for 5 years, 11 months
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1,100 Answers

Votes Activity Newest
91
Are there any satellites in geosynchronous but not geostationary orbits?
Jul 19 '19 at 4:16
68
Why vent $CO_2$ and $H_2$ waste products to space on ISS?
Aug 7 '16 at 13:53
66
Is pinging the Moon with a laser as shown on "The Big Bang Theory" possible?
Aug 16 '18 at 13:53
59
Why didn't the Space Shuttle bounce back into space as many times as possible so as to lose a lot of kinetic energy up there?
Apr 24 '19 at 2:37
57
The dreaded apocalyptic asteroid approaches Earth but lands safely on the Moon at zero relative velocity
Nov 29 '18 at 11:55
54
Could a space colony 1g from the sun work?
May 14 '19 at 4:58
49
Why does the sky of Mars appear blue in this video of pictures sent back by the Chinese rover?
May 22 at 22:13
44
Is the SpaceX Falcon Heavy payload (a Tesla car) space junk?
Feb 7 '18 at 13:26
43
Why did multiple nations decide to launch Mars projects at exactly the same time?
Feb 20 at 9:51
41
Is Nibiru real or totally science fiction?
Jul 22 '18 at 1:57
34
What would it take to get a message to another star?
Aug 13 '19 at 23:52
33
What impact will the deorbiting of thousands of satellites have on the atmosphere?
Sep 1 '20 at 12:07
31
How is the altitude of a satellite defined, given that the Earth is not spherical?
Nov 28 '17 at 11:01
30
Which LEO satellite lost over 30 km of altitude in the geomagnetic storm of 13-14 March 1989?
Apr 12 '18 at 0:39
30
How far have astronauts been in space?
Dec 30 '18 at 10:36
29
Are images of exoplanets' surfaces technically possible?
Nov 2 '18 at 9:22
28
Could a spy satellite in orbit be recommissioned to do astronomy?
Feb 18 '18 at 13:43
27
Why are RTGs different colors?
Jun 26 '19 at 3:06
27
Is it ethical for Chang'e-4 to bring an entire ecosystem to the moon?
Jan 11 '19 at 16:28
26
Why doesn't the ISS orient itself to the Earth's magnetic field like a compass needle?
Jun 28 at 22:38
26
Why do SpaceX expect the Falcon 9 rocket to explode during the in flight abort test?
Jan 13 '20 at 1:53
26
instead of pressurizing an entire spacesuit with oxygen could oxygen just pressurize the head and the rest of the body be pressurized with water?
Oct 16 '19 at 1:51
26
slowest crash on the Moon?
Sep 2 '19 at 23:23
26
Is Quantum Entanglement technology possible for interplanetary communication in future to achieve low real-time latency?
Nov 28 '18 at 4:38
26
Question on giant satellite orbit
Nov 1 '18 at 5:20
25
How were these pictures of spacecraft wind tunnel testing taken?
May 27 '19 at 0:03
25
Potential high temperature power sources for a Venus lander
Mar 22 '17 at 12:46
24
Can we write with chalk on blackboard in space?
Sep 6 at 8:24
24
Is it really ~648.69 km/s delta-v to "land" on the surface of the Sun?
Aug 8 '19 at 15:55
24
Were any toxic metals used in the International Space Station?
May 13 '19 at 13:22
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