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Future possibilities of Planetary society's solar sail idea.

  1. Jul 11, 2015 #1
    I don't know how long this solar sail idea has been here , the Planetary society's second solar sail failed to achieve its objective right ? I am interested in the applications of this technique.

    1) Is it possible to use them to deflect large asteroids and comets away from the earth ?

    2) Is it possible to propel a spacecraft with solar sail using a powerful laser or some other kind of focused beam of light to interstellar destinations ? even though it might take a long time to reach there.

    3) Is it possible to propel it beyond , say Jupiter, Saturn just by sunlight ?
     
    Last edited: Jul 11, 2015
  2. jcsd
  3. Jul 11, 2015 #2

    mfb

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    Staff: Mentor

    Have you checked the wikipedia article? It answers most of those questions.

    All those things are possible*, but their efficiency is questionable.

    *even the Pioneer and Voyager probes and New Horizons will reach interstellar distances eventually, but they'll need hundreds of thousands of years for that.
     
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