Space Exploration Beta
Mark Foskey
  • Member for 6 years, 6 months
  • Last seen this week
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62 Answers

Votes Activity Newest
74
Why were the Voyager spacecraft numbered "out-of-order"?
Nov 12 '18 at 13:03
53
Does Virgin Galactic experience real weightlessness?
Jul 6 at 17:38
35
Why did Saturn V not head straight to the moon?
Jul 26 '19 at 5:02
31
If an astronaut threw a cup of coffee into space, would it freeze, or boil off into gas?
Jun 15 at 3:55
29
Why are probes that tend to explore outer system always launched to go outwards instead of straight upwards or downwards?
Jan 3 '19 at 18:43
28
Why was the imaging quality of the Voyager probes *much* better than the Pioneer probes despite being launched only 5 years later?
Aug 1 '20 at 3:21
28
Is it possible for a moon to have a higher surface gravity than the planet it is attached to?
Dec 4 '19 at 4:24
20
If a spaceship ran out of fuel somewhere in space between Earth and Mars, does it slowly drift off to the Sun?
Sep 22 '19 at 4:54
18
Why did Neil Armstrong alone, not NASA, end up coming up with the first words uttered on the moon?
Nov 17 '18 at 5:45
17
Could a satellite survive for thousands of years in a high enough orbit?
Sep 6 '18 at 16:03
12
Could a ball of water stay in orbit?
Nov 21 '18 at 3:29
11
Why don't I find the concept of cosmic velocities in western space-related materials?
Dec 28 '16 at 16:05
9
Why didn't the Apollo 13 crew wear their spacesuits in the LM?
Dec 27 '18 at 17:13
8
When was advertising on Earth from space first proposed? By who?
Aug 12 at 0:41
8
Is the zero gravity experienced in ISS the "artificial" kind?
Jul 19 at 1:23
8
Is the far side of the tidally locked Europa moon safe from Jupiter's radiation?
Nov 5 '19 at 0:29
7
Curiosity and Perseverance landing - with so much dust blown everywhere, what's the point of the skycrane?
Mar 1 at 3:31
6
Why is it so hard to land on the Moon?
Oct 5 '19 at 0:29
6
How far can a piece of spacecraft go, where the signal still reaches planet Earth?
Sep 17 '19 at 5:04
6
Could Liquid Methane on Titan be used as a Heat Source?
Sep 18 '18 at 4:25
6
Are any of the planets in our solar system (other than Earth) inhabitable?
Feb 2 '18 at 21:28
6
If 'space' is defined as the absence of everything, then why can it carry heat?
Jan 18 '17 at 2:37
5
Why do we never see astronauts doing breaststroke or the "Man from Atlantis" swimming movements, say, and thus swimming in air in free fall?
May 1 at 21:20
5
Why do countries or companies still bother sending landers/probes to the moon?
Apr 5 '19 at 18:41
5
Walking in a rotating spacecraft and Newton's 3rd Law of Motion
Mar 4 '19 at 1:38
5
Is there a way to reproduce Earth-like gravity on a spacecraft close to a more massive body such as the sun?
Apr 7 '18 at 19:18
4
Who gave the famous photograph "Earthrise" its name?
Jul 6 '19 at 3:47
4
How about space ziplines
May 14 '19 at 0:29
4
Could an Apollo mission be possible if Moon would be Earth like?
Feb 28 '19 at 17:52
4
Would a balloon pop if dropped from space?
Jan 7 '19 at 3:22
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