Monday 6 February 2012
Stunning Image of One of the Most Ancient Galaxy Clusters in the Universe
Stunning Image of One of the Most Ancient Galaxy Clusters in the Universe: This Chandra image shows gravitationally-bound, hot gas enveloping the distant galaxy known as 3C294. This X-ray emission is considered a signature for an extremely massive cluster of galaxies – one of the largest known structures in the universe. Astronomers believe...
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