Top network posts
- 26Why does the SpaceX reusable launcher use vertical rather than horizontal landing?
- 25Do satellites naturally turn in phase with its orbit, always facing Earth?
- 19What causes microgravity (i.e. non-zero gravity) in orbit?
- 16Why didn't the Apollo program do an uncrewed landing/ascent rehearsal?
- 16Can a satellite orbit Earth so that it always has the Moon in line of sight?
- 12Why are the very reliable rockets Atlas V and Ariane V not rated for human flight?
- 12How are EVA's in LEO affected by being at the night side of Earth?
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