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0 votes
1 answer
177 views

Why did the space shuttle always have missing tiles near the OMS pod, even before launch?

3 votes
1 answer
292 views

Is it feasible at all to build data centers in space?

8 votes
3 answers
2k views

Why are there no telescopes attached to or flying beside the ISS?

5 votes
1 answer
264 views

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

6 votes
1 answer
2k views

Which Shuttle astronauts refused to fly with a Centaur after the Challenger disaster?

5 votes
1 answer
760 views

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

7 votes
2 answers
3k views

Multiple Gravity Assist from Moon to reach Mars

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0 answers
39 views

Falcon 9 Transporter Mission - Second Stage Attitude For Payload Deployment

2 votes
1 answer
213 views

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

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199 views
+100

How to avoid collision during flyby?

9 votes
2 answers
3k views

Have light gases like hydrogen or helium been explored for ion propulsion?

3 votes
0 answers
111 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?

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