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3 votes
1 answer
111 views

Will a human mission to Mars require artificial gravity?

2 votes
3 answers
785 views

How can you warm up Mars?

3 votes
2 answers
206 views

How realistic are the required fluorine mining quantities for terraforming Mars compared to the real mining practices on Earth?

7 votes
2 answers
383 views

On what calculations is Robert Zubrin's assertion that Mars could be warmed by 10 ⁰ C in 50 years with fluorocarbon gases based?

14 votes
9 answers
6k views

How does time work on other planets?

4 votes
5 answers
444 views

Asteroid orbiting between Earth and Mars as ferry?

1 vote
1 answer
200 views

Could we make space roads? Like a space elevator between planets?

4 votes
1 answer
317 views

How feasible is dragging a 1 km asteroid into Mars orbit? (For All Mankind Spoiler Alert)

3 votes
2 answers
188 views

Can I move Hyperion to Mars with fusion rockets?

11 votes
3 answers
1k views

Ingenuity extended static mission science possibilites

5 votes
1 answer
273 views

Has there ever been an attempt or serious consideration for spacecraft to land on Mars without an ablative-type heat shield?

1 vote
2 answers
425 views

If the Apollo 17 astronauts had gone for Mars, where would they have gotten?

2 votes
0 answers
67 views

What is the best option for providing breathable air to the crew during a first human mission to Mars

11 votes
3 answers
2k views

An alternative architecture for a mission to Mars

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