Wednesday, September 28, 2011

Space.com

What's Hot This Week

Earth's Seasons Change With Equinox

by Mike Wall, SPACE.com Senior Writer

Bad news for Northern Hemisphere dwellers: summer is officially over. Earth's seasons changed Friday at 5:05 a.m. EDT (0905 GMT) with the arrival of the September equinox.

See Mars Near the Moon

by Joe Rao, SPACE.com Skywatching Columnist

On Friday, Sept. 23, the sun will cross the celestial equator, heading south, in the annual equinox marking the start of the fall season in the Northern Hemisphere and the spring in the south. But this year's equinox brings a special treat: the moon and planet Mars shining together at dawn.

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