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More Images: Chandra Spots a Mega-Cluster of Galaxies in the Making
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Chandra X-ray & DSS Optical Images of Abell 1758
Astronomers using Chandra data and several other telescopes have put together a detailed map of a rare collision between four galaxy clusters in the system Abell 1758. Eventually all four clusters – each with a mass of at least several hundred trillion times that of the Sun -- will merge to form one of the most massive objects in the Universe. X-rays from Chandra are shown with an optical image from the Sloan Digitized Sky Survey.
Credit: X-ray: NASA/CXC/SAO/G.Schellenberger et al.; Optical:SDSS



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