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Results tagged with solar-sail
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user 5979
Questions regarding a 'sail' that can be attached to spacecraft to harness the sun's radiation to propel a ship in one direction or another.
4
votes
Can you use a light sail to achieve a survivable landing anyplace in our solar system?
A light sail in orbit around the sun can reflect light in a way to increase or decrease the orbit.
A light sail in orbit around another body is much more constrained. I haven't seen that you could e …
- 7,129
8
votes
Is it possible to launch a satellite into orbit with a solar sail and a weather balloon usin...
The problem is that you have to go from low-speed regime in the atmosphere (the balloon), to a high-speed regime out of the atmosphere (~7000m/s). The low forces available from a solar sail don't all …
- 7,129
15
votes
Accepted
Is it possible to reach the Sun without expending any fuel/reaction mass?
If you're already in a solar orbit, then yes. You can use a sail at an angle and send the reflections prograde. The result is to reduce your orbital energy and you spiral in.
I recall it was a stan …
- 7,129