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The Orrery
/Or"re*ry/ n.; pl. Orreries.
[So named in honor of Charles Boyle, Earl of Orrery.]
An apparatus which illustrates, by the revolution of balls moved by wheelwork, the relative size, periodic motions, positions, orbits, etc., of bodies in the solar system.

  • Snapshots
      Get pictures of the solar system, from any planet!
  • Animations
      Make small animations of the movement of the planets.
  • The Sky
      Get a picture of the sky, with the planets labeled!
    (if you want more control, try the expert page).
  • Ephemerides
      Get the positions of the planets in your sky, anytime.
      If you want to find a planet, go there, and just click on its name!


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