SPACE PHOTOS THIS WEEK: Mars Lava, Star Cluster, More

SPACE PHOTOS THIS WEEK: Omega Centauri, Endeavour, More
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December 2, 2008--The Pinwheel Galaxy (above) was captured in one of the longest x-ray exposures ever, scientists said.

The galaxy, named for its swirling structure, is located 25 million light-years from Earth in the Ursa Major constellation.

The new images taken by NASA's Chandra spacecraft will help astronomers understand the evolutionary histories of black holes, according to NASA's Web site.
—Image by NASA/CXC/JHU/K.Kuntz et al.
 
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