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B Earth-Sun Lagrange Points Distance Query

  1. Jun 17, 2017 #1
    Hi

    Does anyone know what the straight line distances of L4 and L5 are from Earth?

    Many thanks.
     
  2. jcsd
  3. Jun 17, 2017 #2

    Bandersnatch

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  4. Jun 17, 2017 #3

    Janus

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    To which L4 and L5 points are you referring to? The Earth-Moon pair or the Sun-Earth pair?
    In each case, the chosen Lagrange point and the two celestial bodies form an equilateral triangle.
    So in the Earth-Moon case, the Earth-Lagrange point distance is equal to the Moon-Earth distance, and the the Sun-Earth case, it is equal to the Sun-Earth distance.
     
  5. Jun 19, 2017 #4
    Yes, a quick twirl with a compass and a drawn circle soon showed the error of my ways. This is probably the silliest question I've raised on the forum thus far. I promise to do better next time.
     
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