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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.

12 votes
4 answers
1k views

Can solar sail prevent orbital decay?

I can imagine a satellite with a solar sail it rolls when on the night side of Earth, then unrolls near "afternoon", propelled on each past of its "sunset side" of travel. Would such system be a viabl …
SF.'s user avatar
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5 votes
1 answer
325 views

How would Solar Flares affect Solar Sail navigation?

As I understand, Solar Sail runs on dual energy: light pressure and solar wind. While the former is quite deterministic and rigidly following calculations, solar flares create huge bursts of solar win …
SF.'s user avatar
  • 56k