Thread: Observed retrogrades
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Old January 24th 13, 09:30 AM posted to sci.astro.amateur
Quadibloc
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Default Observed retrogrades
On Jan 24, 12:00*am, oriel36 quoted, in
part:
But from the sun they are
always seen direct,

What is that but a restatement of the discovery of Copernicus?

John Savard