Dwarf galaxy with satellites (IMAGE)

Dartmouth College

Dwarf galaxy with satellites

Caption

A Dartmouth-led survey identified more than 300 candidate satellite galaxies orbiting low-mass star systems known as dwarf galaxies. Pictured are possible satellites around the dwarf galaxy ESO486-G21. Much of what is known about satellite galaxies comes from big star systems like the Milky Way, but dwarf satellite galaxies are about one-tenth that size.

Credit

Photos by Laura Hunter

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