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

736 Answers

Newest Activity Votes
72
Are there any satellites in geosynchronous but not geostationary orbits?
Jul 19 at 4:16
64
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
57
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 at 2:37
54
The dreaded apocalyptic asteroid approaches Earth but lands safely on the Moon at zero relative velocity
Nov 29 '18 at 11:55
52
Could a space colony 1g from the sun work?
May 14 at 4:58
45
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 at 23:52
30
How far have astronauts been in space?
Dec 30 '18 at 10:36
30
How is the altitude of a satellite defined, given that the Earth is not spherical?
Nov 28 '17 at 11:01
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 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
25
How were these pictures of spacecraft wind tunnel testing taken?
May 27 at 0:03
25
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
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 at 15:55
24
Were any toxic metals used in the International Space Station?
May 13 at 13:22
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
22
Could an areostationary satellite help locate asteroids?
Aug 6 at 4:03
22
How hard do you have to throw something off the ISS to make it deorbit?
Jun 21 '18 at 16:50
22
Does SpaceX put Falcon 9 2nd stages carrying geostationary satellites into a temporary sub-orbital trajectory before the second burn?
Jul 6 '17 at 17:12
22
Potential high temperature power sources for a Venus lander
Mar 22 '17 at 12:46
21
How can electronics on board JWST survive the low operating temperature while it's difficult to survive lunar nights?
Jul 20 at 15:21
21
Why not send Voyager 3 and 4 following up the paths taken by Voyager 1 and 2 to re-transmit signals of later as they fly away from Earth?
Apr 20 at 5:07
21
Could we possibly see the shadow offset from Parker Solar probe on Earth?
Dec 3 '18 at 2:05
21
Could a human jump off Mimas without return?
Oct 31 '18 at 9:58
1 2 3 4 5 … 25