ultra-diffuse galaxies

A numerical simulation of the local group of galaxies, from the HESTIA project. The dark matter distribution is shown in red, the gas in green, and the stars that make up the galaxies in white. The two central galaxies correspond to our Milky Way and Andromeda, while ultra-diffuse galaxies that have not yet been discovered are indicated by green circles. 

Credits: Salvador Cardona-Barrero


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