This space wallpaper reveals an artist's impression of galaxy at center of Phoenix Cluster. An extraordinary cluster of faraway galaxies that is shattering or challenging a number of cosmic records, weighing in as potentially the most massive cluster known. The colossal galaxy cluster is also the brightest in X-ray light, and the galaxy at its heart apparently gives birth to more than 700 stars per year - hundreds of times as fast as our Milky Way forms stars, researchers say.
(Image: © Chandra X-ray Observatory)
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