Tuesday, December 8, 2009

Too Many Stars

HubbleSite - Wallpaper: Gravitational Lensing in Galaxy Cluster Abell 1689: "Abell 1689 is one of the most massive galaxy clusters known. The gravity of its trillion stars, plus dark matter, acts like a 2-million-light-year-wide 'lens' in space. The gravitational lens bends and magnifies the light of galaxies far behind it." Pretty cool!

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