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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.

6 votes
1 answer
347 views

Could a solar sail composed of smart glass stay near the L1 point of Venus?

From answers to this question i've learned that the Lagrangian L$_1$ point of Venus is not stable, despite the almost circular orbit of the planet and the fact that it has no moon. Nevertheless would …
Cornelis's user avatar
  • 7,561
1 vote
3 answers
351 views

Could a framework of mirrors static in space above the Lunar south pole illuminate a moonbas...

Edit: For clarification of what I mean with "static in space above the Lunar south pole " please see this answer from @Tom Spilker or his answer to the question Orbits that allows observation of a pol …
Cornelis's user avatar
  • 7,561
5 votes
2 answers
338 views

What is the timespan for a block of Phobos to reach a low orbit around Mars with a solar sail?

Edit: Although this question has been marked as a duplicate of this one about solar sail thrust calculation, they are different because I ask about a solar sail that has an orbital trajectory and wi …
Cornelis's user avatar
  • 7,561