Stig Östlund

onsdag, maj 25, 2011

NASA's Hubble Finds Rare Blue Straggler Stars in the Milky Way's Hub




Peering deep into the star-filled, ancient hub of our Milky Way (left), NASA's Hubble Space Telescope has found a rare class of oddball stars called blue stragglers. This is the first time such objects have been detected within our galaxy's bulge. Blue stragglers are so named because they seem to be lagging behind in their rate of aging compared with nearby older stars.

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