Tuesday, July 29, 2008

Partial Solar Eclipse before sunrise on 8/01


The sun will be partially blocked (about 25%) by the Moon on August 1. For people in Roanoke, though, the sun will still be far below the eastern horizon and, therefore, they will miss out on this event. But this is not so on other parts of our planet. People in Europe, where is sun has been above the horizon for a couple of hours, will catch this partial eclipse, if their weather permits.

Observers in China and Siberia will see this event as a rare total eclipse when the Moon passes directly in front of the sun. When it does that, stars and planets can be seen near the sun. The planet Mercury shines to the lower left of the eclipsed sun and the star cluster M44 in Cancer is just above the sun/Moon pair. Venus, which is not shown on the drawing, lies to the far lower left of Mercury.

Such is our view from Earth ...

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