Rare 'Selenelion' Possible on Wednesday's Lunar Eclipse

October 5, 2014 6:37 PM

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Rare 'Selenelion' Possible on Wednesday's Lunar Eclipse

Observers of Wednesday morning's total lunar eclipse might be able to catch sight of an extremely rare cosmic sight.

On Oct. 8, Interested skywatchers should attempt to see the total eclipse of the moon and the rising sun simultaneously. The little-used name for this effect is called a "selenelion," a phenomenon that celestial geometry says cannot happen.

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