Book Ratings

Book ratings explained:

* I didn't like it | ** It was OK | *** I liked it | **** I really liked it | ***** I loved it

Tuesday, January 04, 2005

Mommy, why is the sky green?

A green flash is sometimes seen just as the sun sets or rises. This occurs because green light is bent most strongly by the atmosphere. So the green is seen before other colors at sunrise, and after the other colors have vanished at sunset.

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