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4 answers
21 votes
5k views
2 bookmarks
What's the (particle) density of the asteroid belt?
5 answers
19 votes
1k views
Is there any non-rocket spacelaunch concept within reach of current material science and technology?
1 answers
13 votes
2k views
3 bookmarks
What is a typical energy demand and carbon footprint of a space launch?
2 answers
10 votes
799 views
3 bookmarks
Why Earth flybys?
4 answers
8 votes
2k views
What is the barometric formula for a gas giant?
1 answers
8 votes
744 views
Is there a profile of atmospheric pressure and gravity of Uranus?
1 answers
7 votes
2k views
1 bookmarks
Constant acceleration Rockets
1 answers
6 votes
963 views
How do I calculate lowest possible mission delta V from Escape velocities?
0 answers
4 votes
403 views
2 bookmarks
Can we build a factory in zero gravity space?
2 answers
1 votes
460 views
1 bookmarks
Quick and dirty way to estimate flight times for constant acceleration rockets