Friday, 17 April 2009

Square Nebula

A nebula in the form of an almost perfect square that surrounds the hot, massive, highly evolved star MWC 922 in the constellation Serpens. It is similar in appearance but even more symmetric than the Red Rectangle. The Red Square was discovered in 2007 by astronomers Peter Tuthill of the University of Sydney in Australia and James Lloyd of Cornell University in Ithaca, New York, using the Hale Telescope at Palomar Observatory and the Keck II telescope in Hawaii.

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