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HDE 226868's user avatar
HDE 226868's user avatar
HDE 226868
  • Member for 9 years, 8 months
  • Last seen more than a week ago
  • A small planet somewhere in the vicinity of Betelgeuse
22 votes
3 answers
2k views

Were decommissioned Cold War missiles repurposed for peaceful spaceflight?

14 votes
3 answers
2k views

Is there an upper limit for the internal size of space stations?

13 votes
3 answers
2k views

Space Elevator Between Doubly-Tidally Locked Bodies

12 votes
2 answers
985 views

Are the Russians planning to replace the Baikonur Cosmodrome?

11 votes
2 answers
2k views

Quality vs. Quantity for Rocket Engines

6 votes
1 answer
792 views

How big can solar sails be?

6 votes
2 answers
1k views

Could the 'anomaly' in the recent Virgin Galactic crash impact the other SpaceShipTwos?

5 votes
2 answers
366 views

International Collaboration on Large-Scale Manned Space Exploration Projects

3 votes
2 answers
631 views

Do we have the technology to make large rotating airlocks?

3 votes
1 answer
310 views

Why is a corner of InSight's selfie cropped like this?

3 votes
0 answers
74 views

Are there any scientific or technical reasons for defunding WFIRST?

1 vote
2 answers
556 views

Are today's rockets the last of a dying breed?