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Hubble captures compact galaxy group Hickson 40

Original: Hubble image of Arp 321, also known as Hickson 40. This group of galaxies include three spiral galaxies, an elliptical g

The Hubble Space Telescope has released a new image of Arp 321, also known as Hickson 40, a compact group of five galaxies: three spirals, an elliptical galaxy and a lenticular, lens-shaped one. The group is so tightly packed that all five galaxies could fit within a region of space less than twice the diameter of the Milky Way. Astronomy enthusiasts are sharing the image and marvelling at the unusually close gathering.

Why now: A striking new Hubble image of a rare, extremely compact galaxy group is being shared among space enthusiasts.

Hubble Space TelescopeArp 321Hickson 40Milky Way

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Evidence

• Hubble image of Arp 321, also known as Hickson 40. This group of galaxies include three spiral galaxies, an elliptical galaxy, and a lenticular (lens-like) galaxy. The group is so compact it could fit within a region of space that is less than twice the diameter of our Milky… · ArpBot · 4

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