Giant galaxy cluster collision triggers vast shock wave stretching over a million light-years long - Space.com
6/13/2022 12:00:00 AM2 years 10 months ago
by Keith Cooper
by Keith Cooper
The clash of two galaxy clusters in Abell 2146 is teaching astronomers about the kinds of "collisionless" shock waves that occur in our own solar system.
Two giant galaxy clusters crashing into each other triggered enormous shock waves stretching 1.6 million light-years through space. The findings, revealed by NASA's Chandra X-ray Observatory , are … [+4834 chars]
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