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flag NASA's Chandra X-ray Observatory captured a rare image of a merging galaxy cluster, revealing hot gas and dark matter dynamics during a violent cosmic collision.

flag NASA's Chandra X-ray Observatory has captured a new image of the "Champagne Cluster," a rare merging galaxy cluster discovered on December 31, 2020. flag The composite image, showing superheated gas in purple and optical data in color, reveals two massive clusters colliding, with hot gas stretching vertically and dark matter playing a key gravitational role. flag Scientists are uncertain whether the merger occurred about 400 million years ago or involved a prior collision over two billion years ago followed by a re-collision. flag The findings, published in The Astrophysical Journal, aim to shed light on dark matter behavior during such violent cosmic events.

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