Tuesday, November 17, 2009

DANCE OF THE GALAXIES


Dance of the galaxies
An arrangement of galaxies known as Stephan's Quintet sparkles in a Hubble Space Telescope image released on Sept. 9. Four of the galaxies are interacting in a gravitational dance - but the fifth galaxy, at upper left, is actually much closer to us and just happens to be in the same line of sight.

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