A Dwarf Flock

dwarf galaxyThis Hubble image looks a bit like a flock of birds. It’s really a picture of a dwarf galaxy called ESO 540-31 a bit more than 11 million light-years from Earth in the constellation of Cetus (The Whale). All those galaxies in the background are much further away.

Dwarf galaxies are some of the smaller and dimmer members of the galactic family with only a few hundred million stars or so. Although that may seem like a large number, it is tiny compared to spiral galaxies like our Milky Way, which are made up of hundreds of billions of stars.

Image Credit: NASA / ESA

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