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Hubble captures merging galaxies Arp 81 in striking new image

Original: Hubble image of Arp 81, also known as NGC 6621 and NGC 6622. The galaxies NGC 6621 (right) and NGC 6622 (left) are about

A Hubble Space Telescope image of Arp 81, a pair of interacting galaxies known as NGC 6621 and NGC 6622, is drawing attention. The two galaxies are midway through a merger, with a recent encounter pulling a long tail of material out of NGC 6621 that wraps behind the galaxy. The collision has also triggered concentrated star formation, making the pair a striking example of galactic interaction.

Why now: Striking Hubble images of cosmic phenomena regularly attract public interest and sharing online.

Hubble Space TelescopeNGC 6621NGC 6622Arp 81

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Evidence

• Hubble image of Arp 81, also known as NGC 6621 and NGC 6622. The galaxies NGC 6621 (right) and NGC 6622 (left) are about mid way through a merger. A recent encounter pulled a long tail out of NGC 6621 that wraps behind the galaxy. The encounter also triggered a concentrated… · ArpBot · 6

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