Space Exploration Beta
kim holder
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79 Answers

Votes Activity Newest
85
Why are we trying to build a base on Mars before the Moon?
Jul 6 '15 at 0:32
60
Why does the ascent stage of Apollo 11's lunar module look like it's made of paper?
Nov 13 '14 at 2:17
45
How do we know the Apollo Moon landings are real?
Jun 28 '18 at 20:07
44
Why are spaceship capsules frustum shaped?
Dec 8 '14 at 15:58
38
What does 'Switch SCE to AUX' mean?
Aug 16 '16 at 15:33
34
Is there any evidence that NASA was worried about deep lunar dust?
Aug 11 '15 at 21:50
27
Dawn Spacecraft: Why are the orbits so high?
Mar 8 '15 at 2:15
24
Which, if any, US laws apply on the ISS?
Mar 27 '15 at 21:53
23
What is the largest hurdle of the mission to Mars?
Nov 18 '14 at 19:38
21
What is the most heated exoatmospheric conflict to-date?
Feb 26 '18 at 0:41
21
How much power would a spacecraft's magnetic shield require?
Apr 6 '15 at 16:53
17
Why only 12 men have made lunar-walks and not all 18 men?
Dec 7 '14 at 15:51
15
What is the deepest part of the moon on the near side?
Oct 20 at 15:59
15
Engineering difficulties towards near-perfect rockets?
Jan 6 '16 at 17:43
15
What term can we use to describe a planet's or dwarf planet's nearest distance to Earth?
Jul 17 '15 at 14:29
14
Could Starman get ejected from the Solar System?
Feb 10 '18 at 4:13
14
Is this explanation for the SpaceX 1-Sept-2016 anomaly plausible?
Sep 26 '16 at 2:10
14
What existing life on Earth is best suited for the Martian environment?
Apr 28 '15 at 18:15
14
Were decommissioned Cold War missiles repurposed for peaceful spaceflight?
Sep 13 '14 at 22:41
13
Stripe of high def imagery on Google Moon
Apr 1 '18 at 23:06
13
Pushing down a projectile from LEO
Apr 28 '15 at 16:08
13
If an unknown ship entered Earth orbit, would it be detected?
Mar 7 '15 at 17:57
13
Would working at night on the surface of Mars/Luna protect from radiation?
Nov 23 '14 at 1:27
12
Apollo 17, Lunar Roving Vehicle walkback limit "relaxed"?
Mar 15 '15 at 0:17
12
How could one navigate on Mars?
Dec 29 '14 at 16:34
11
Can we not get outside the Local Galactic group?
May 31 '16 at 1:38
11
Why does the International Space Station have a downward facing light?
Oct 14 '14 at 17:12
10
What impact would a pea size meteor have when it hits the ground?
Nov 24 '15 at 5:31
9
Copper abundance in the Moon
Feb 15 '18 at 19:48
9
What do you call an object that has a moon orbiting?
Mar 26 '15 at 23:45
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