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Puffin
  • Member for 9 years
  • Last seen this week
  • UK
16 votes
2 answers
2k views

NASA cost estimating and Falcon 9

11 votes
1 answer
662 views

Why are objects in this highly elliptical orbit present in Vimpel but not USSpacecom

10 votes
1 answer
710 views

What are the various propulsion systems on the ISS?

9 votes
1 answer
2k views

When is a phased array antenna not a phased array?

8 votes
1 answer
582 views

Do astronauts hear audible creaking from spacecraft structures?

8 votes
1 answer
532 views

What events caused this debris in highly elliptical orbits

6 votes
2 answers
193 views

Iridum-Cosmos post-collision vectors

6 votes
1 answer
310 views

Cubesat dispenser operation for fleet deployment

5 votes
2 answers
342 views

What happens in to the fuel in fuel-rich Lox-Kerosene?

4 votes
1 answer
305 views

Technical reasons for Delta 4 medium phase out

3 votes
1 answer
202 views

For how long will the Soyuz 2.1v launcher use the old NK33 engines?

3 votes
1 answer
277 views

Nature of Sabre pre-cooler demonstration test

3 votes
1 answer
129 views

Orbit ephemeris or visualization for the BepiColombo mission?

2 votes
2 answers
981 views

Ephemeris output from Skyfield

2 votes
0 answers
95 views

Ice condensation on an air launched vehicle

1 vote
0 answers
84 views

Missing Launch Vehicle