Friday, November 22, 2013

Astronomy Picture of the Day

This photo spans the California Nebula to the Pleidaes star cluster. The California Nebula (named for its shape) is 60 light years long and 1,500 lightyears away from Earth. The reddish color is caused by ionized hydrogen atoms from the star Xi Persei, the blue star to the right of the nebula. The Peliades

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