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Space Exploration
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neelsg
  • Member for 8 years, 4 months
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15 Questions

Score Activity Newest Views
164 votes
2 answers
265k views

What computer and software is used by the Falcon 9?

67 votes
8 answers
39k views

Why would SpaceX not use parachutes for the final descent of the first stage?

32 votes
1 answer
6k views

If I drop a feather from orbit, would it burn up or "hit" the ground?

28 votes
3 answers
6k views

Why did Voyager 2's velocity drop far below escape velocity before the first gravity assist?

28 votes
4 answers
8k views

Why does the Falcon 9 have 9 engines?

20 votes
1 answer
6k views

Why does SpaceX appear to get less funding from NASA for the same thing as competitors?

20 votes
7 answers
19k views

How stable would a Falcon 9 first stage be after it has landed on a drone ship?

10 votes
3 answers
2k views

Could SpaceX start testing to return the Falcon 9 first stage to land instead of water?

10 votes
1 answer
2k views

What is the performance of ion thrusters in actual deployed spacecraft?

9 votes
2 answers
1k views

How much of the space debris around Earth is man-made?

8 votes
2 answers
2k views

Would it not be easier for SpaceX to make their first stage only partly reusable?

7 votes
2 answers
2k views

Why does SpaceX not use the Crew Dragon for CRS missions to test it?

6 votes
1 answer
2k views

What auxiliary engines do the Falcon 9 first stage have?

5 votes
1 answer
1k views

Most common causes of 21st century launch failures and how often do launches fail?

4 votes
1 answer
362 views

What are the actual economics for the ULA reusability plan?

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