Chandra and NGC 4829: Galaxies Go on a Deep Dive and Leave a Fiery Trail Behind

Scientists have confirmed that the tail of hot gas behind a galaxy group is the longest yet seen. NGC 4839 is plunging into the Coma Cluster and leaving a streak that glows in X-rays. A new study using NASA’s Chandra X-ray Observatory confirmed the extraordinary length (1.5 million light-years) of the tail. This result is helping astronomers learn more about how galaxy clusters grow to their enormous sizes.

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Chandra Deep Dive
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