Orrery

8 years ago
Click Tychonian and then Trace Planet to see the epicycles!

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6 Responses:

  1. Jason Martens says:
    8 years ago at 7:12 pm

    If only Galileo had Flash.

    This will make an awesome hack for xscreensaver.
  2. Otto says:
    8 years ago at 8:55 pm

    FF to July 2079 for a really close planetary alignment. :)
  3. Joshua says:
    8 years ago at 4:08 am

    This is a pretty good tutorial for explaining how retrograde motion happens.
  4. Glaurung_quena says:
    8 years ago at 10:29 pm

    Sigh, if only it also had a Ptolemaic option...