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peterh - Reinstate Monica
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39 Answers

Votes Activity Newest
24
How much did all the space agencies spent on rockets launching and space exploration? What are the benefits for me and you?
Jul 20 '19 at 23:50
23
How do I dress for a hike on a hot summer day on Titan?
Aug 7 '18 at 14:53
16
Could ozone be used in a biodome on Mars?
Apr 3 '18 at 3:01
14
How much does a swing-by change the orbit of the planet?
Jan 22 '19 at 7:47
11
Sending a camera to space?
Jul 7 at 17:00
9
Why does NASA publish all the results/data it gets?
Sep 18 '19 at 16:05
9
Fast spining solar cells to clear Martian dust possible?
Apr 18 '19 at 5:40
9
How far is zero-gravity from ground?
Dec 27 '17 at 22:39
7
Could electric fans lift a rocket strait up like a multi propeller drone?
Sep 12 '18 at 23:22
6
A starship is travelling at 0.9c and collides with a small rock. Will it leave a clean hole through, or will more happen?
Feb 25 '19 at 17:11
5
Has any human ever had the choice to leave Earth permanently?
Feb 25 '19 at 17:38
5
What will happen to space machines if Earth is destroyed?
Feb 15 '19 at 12:05
5
What will be the best way to convert nuclear fusion energy into thrust for a rocket?
Jan 15 '18 at 9:25
4
Could electricity be generated from a Martian dust storm?
Apr 18 '19 at 6:08
4
What is the speed that we can reach using tsar bomba as a propellant?
Jun 3 '18 at 0:23
4
Why would a warp drive move you at all?
May 29 '18 at 19:42
4
Why don't astronauts inside affect inertia of the ISS?
May 20 '18 at 17:28
4
How quickly is the force of gravity exerted? Is a finite “speed of gravity” used in orbit calculations?
Apr 13 '18 at 22:39
3
What would the full hypothetical Mars terraforming roadmap look like?
Feb 15 '19 at 23:38
3
Can the top soil of Mars be transformed to be arable, and how to do it?
Feb 17 '19 at 17:05
3
How does a planet's gravity push away smaller bodies that would otherwise intersect its orbit?
May 4 at 8:34
3
How is a satellite constellation launched?
Nov 8 '18 at 0:34
3
Can we build a gravitational Radio by modulating the speed of Nuclear Reactions?
Jun 20 '18 at 15:41
3
Can an Earth like planet support life by building a Dyson Sphere across a White Dwarf?
Jun 8 '18 at 23:38
3
Could the Moon be terraformed by outgassing its oxygen?
Jul 5 '16 at 20:44
2
Why is that max-Q doesn't occur in transonic regime?
Feb 25 '19 at 17:59
2
Terraform via moving Ceres To Mars orbit, using ion drive
Oct 10 '18 at 0:33
2
If something were ejected from the solar system (like a planet for example), where exactly would it end up? Where does it go?
Jun 10 '18 at 14:23
2
What is the smallest number of humans required for colonization?
Nov 14 '13 at 11:19
2
Are there proven sufficient $^3\text{He}$ reserves in the inner Solar System to sustain fusion reactors for colonisation?
Nov 15 '13 at 14:42
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