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Active 3 Bountied Hot Week Month
1 vote
1 answer
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Is it possible to determine the classical orbital elements for an Elliptic Repeating SSO?

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UVphoton
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1 vote
0 answers
36 views

Oddities near Kennedy Parkway

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Maury Markowitz
  • 179
0 votes
0 answers
94 views

Ion propulsion system

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Glorfindel
  • 670
3 votes
2 answers
130 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?

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Cornelis
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1 vote
0 answers
40 views

What is the largest number of rocket engines ever successfully used on a single craft as of 2022?

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Machavity
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1 vote
2 answers
423 views

Why doesn't NASA fly its rockets on suborbital trajectories to the Moon?

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The Rocket fan
  • 521
7 votes
1 answer
439 views

What's the typical temperature of a reactor core in a nuclear thermal rocket?

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ikrase
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2 votes
0 answers
53 views

How long does NASA take to post process JWST images?

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Glorfindel
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7 votes
4 answers
14k views

How fast do Starlink satellites (SpaceX new satellites) rotate around the earth?

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Alexander Allen Cabbot Sanders
  • 5
4 votes
1 answer
160 views

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

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Fred
  • 10.7k
5 votes
2 answers
2k views

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

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The Rocket fan
  • 521
5 votes
1 answer
2k views

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

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Dan Hanson
  • 1,593
5 votes
2 answers
493 views

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

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Uwe
  • 46.6k
160 votes
3 answers
24k views

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

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Starship is go for launch
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