The Coma Cluster of galaxies' hot gas arms, spanning at least a 1/2 million light years, have been unveiled by combining images from the Chandra and XMM-Newton x-ray Observatories. They're a byproduct of smaller galaxies merging with the cluster.
The Coma Cluster of galaxies' hot gas arms, spanning at least a 1/2 million light years, have been unveiled by combining images from the Chandra and XMM-Newton x-ray Observatories. They're a byproduct of smaller galaxies merging with the cluster.
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