Andromeda dwarf galaxies help unravel the mysteries of dark matter

Yep. It’s that time of year again. Time to enjoy the Andromeda Galaxy at almost every observing opportunity. But now, rather than just look at the nearest spiral to the Milky Way and sneaking a peak at satellites M32 and M110, we can think about something more when we peer M31′s way. There’s two newly discovered dwarf galaxies that appear to be companions of Andromeda!

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