* Astronomy

Giant sea stars or starfish that measure 60 centimetres across are held by Sadie Mills, left, and Niki Davey of New Zealand's National Institute of Water and Atmospheric Research on February 15, 2008.
They and other researchers collected 30,000 sea creaturesmany new to scienceduring a 35-day census in Antarctic waters in February and March, according to a March 26 announcement.

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