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Wiarton, Ontario_2383

Dusk over Ladorna's garden. Venus is the bright planet in the western sky. View at "original' size and you will see that Venus is a disc with the illuminated right side pointing toward the Sun. A series of these observations provided Galileo with proof that Venus was orbiting the Sun as Copernicus had predicted and orbiting closer than the sun than the Earth was. However, he was not able to measure the distance.

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Uploaded on July 5, 2010
Taken on July 1, 2010