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1 vote
2 answers
108 views

Could there be caves on Mars in the areas inside Jezero crater and the watershed west and north of it where the Mg carbonates are detected?

2 votes
0 answers
104 views

Would it be practical to fly a probe to Mars using gravitational assistance from Venus?

3 votes
2 answers
779 views

Why does the Falcon 9 first stage continue to decelerate after its reentry engine burnout?

6 votes
1 answer
2k views

How long can the SpaceX Starlink satellites survive before they deorbit?

5 votes
2 answers
477 views

Is there any orbital launcher capable of removing the second stage from orbit after inserting the payload satellite into LEO?

160 votes
3 answers
24k views
+50

How did the Apollo computers evaluate transcendental functions like sine, arctangent, log?

12 votes
0 answers
181 views

Have astronauts ever used the helmet-to-helmet technique to talk to one another in vacuum?

6 votes
1 answer
854 views

Will Roadster ever encounter Mars?

1 vote
0 answers
42 views

How long does NASA take to post processing JWST images?

4 votes
2 answers
221 views

What is the right way to get Mars' sol?

2 votes
0 answers
81 views

Why is the ISS camera (nearly) always off when passing over/near French Southern and Antarctic Lands / FSAL well south of India?

2 votes
1 answer
92 views

Does NASA already have James Webb Space Telescope's 1st science photos with them?

15 votes
5 answers
6k views

Where can I find data for Atmospheric density vs. altitude?

4 votes
1 answer
60 views

Draper Labs' Control Moment Gyroscope Spacesuit

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