Andromeda's Halo (IMAGE)

DOE/Lawrence Berkeley National Laboratory

Andromeda's Halo

Caption

A new study has found that a share of particles that has been challenging to locate is most likely sprinkled across the distant bounds of galaxy halos. The study found some of these particles of baryonic matter are located up to 6 million light-years from their galactic centers. This color-rendered image shows the halo of the Andromeda galaxy, which is the Milky Way's largest galactic neighbor.

Credit

NASA

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