Space Exploration Beta
uhoh
Meta user
Network profile
Summary Answers Questions Tags Badges Favorites 2 Bounties Reputation All actions

826 Answers

Newest Activity Votes
80
Are there any satellites in geosynchronous but not geostationary orbits?
Jul 19 '19 at 4:16
65
Why vent $CO_2$ and $H_2$ waste products to space on ISS?
Aug 7 '16 at 13:53
63
Is pinging the Moon with a laser as shown on “The Big Bang Theory” possible?
Aug 16 '18 at 13:53
58
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
55
The dreaded apocalyptic asteroid approaches Earth but lands safely on the Moon at zero relative velocity
Nov 29 '18 at 11:55
53
Could a space colony 1g from the sun work?
May 14 '19 at 4:58
44
Is the SpaceX Falcon Heavy payload (a Tesla car) space junk?
Feb 7 '18 at 13:26
41
Is Nibiru real or totally science fiction?
Jul 22 '18 at 1:57
33
What would it take to get a message to another star?
Aug 13 '19 at 23:52
31
How is the altitude of a satellite defined, given that the Earth is not spherical?
Nov 28 '17 at 11:01
30
How far have astronauts been in space?
Dec 30 '18 at 10:36
28
Are images of exoplanets' surfaces technically possible?
Nov 2 '18 at 9:22
27
Is it ethical for Chang'e-4 to bring an entire ecosystem to the moon?
Jan 11 '19 at 16:28
27
Which LEO satellite lost over 30 km of altitude in the geomagnetic storm of 13-14 March 1989?
Apr 12 '18 at 0:39
27
Could a spy satellite in orbit be recommissioned to do astronomy?
Feb 18 '18 at 13:43
26
Why do SpaceX expect the Falcon 9 rocket to explode during the in flight abort test?
Jan 13 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
Why does the Mars InSight Lander look wet like a cardboard box that came in contact with water?
Nov 27 '18 at 9:10
25
How were these pictures of spacecraft wind tunnel testing taken?
May 27 '19 at 0:03
25
Were any toxic metals used in the International Space Station?
May 13 '19 at 13:22
25
Question on giant satellite orbit
Nov 1 '18 at 5:20
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
How did NASA prevent third parties from spoofing Apollo communications?
Jun 13 '18 at 9:18
23
Is Quantum Entanglement technology possible for interplanetary communication in future to achieve low real-time latency?
Nov 28 '18 at 4:38
23
Could a human jump off Mimas without return?
Oct 31 '18 at 9:58
23
Potential high temperature power sources for a Venus lander
Mar 22 '17 at 12:46
22
Why aren't space telescopes put in GEO?
May 23 '19 at 15:35
22
Could an areostationary satellite help locate asteroids?
Aug 6 '19 at 4:03
22
How can electronics on board JWST survive the low operating temperature while it's difficult to survive lunar nights?
Jul 20 '19 at 15:21
1 2 3 4 5 … 28