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1 vote
0 answers
68 views

How to avoid collision during flyby?

5 votes
0 answers
166 views

Can astronauts in ISS and Tian Gong ever see each other's space stations?

2 votes
0 answers
67 views

When could we determine mass and final trajectory of an incoming alien “Project Orion” spacecraft during its braking phase?

7 votes
2 answers
2k views

JGM-3 vs EGM2008 coefficients

10 votes
2 answers
2k views

Why are orbit raising maneuvers for Mangalyaan done in the early hours?

0 votes
0 answers
121 views

In what 2010 interview did Donald Pettit discuss that the technology for going to the moon had been destroyed?

5 votes
1 answer
687 views

What do the terms postponement, slip and scrub mean in the context of the space shuttle program?

14 votes
1 answer
614 views

What's the shiny triangular feature on this Progress vehicle?

3 votes
1 answer
345 views

What is the purpose of eccentric, parabolic and hyperbolic anomaly?

6 votes
1 answer
2k views

Equation for Velocity and distance from Sun of a solar sail powered spacecraft

33 votes
2 answers
19k views

Will the ISS need more docking ports?

10 votes
1 answer
909 views

Is the use of "former" with astronauts really necessary?

4 votes
1 answer
350 views

Lambert's theorem violated?

-2 votes
1 answer
259 views

Robots kicking away debris

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