Deborah Byrd & Theresa Wiegert - Andromeda and Milky Way galaxies are merging:
https://earthsky.org/space/earths-night-sky-milky-way-andromeda-merge/
#Andromeda #MilkyWay #Galaxies #GalaxyMerger #AMIGA #AbsorptionMap #IonizedGas #GalacticHalo #Astrophysics #Astronomy
The Milky Way and Andromeda merger has already begun. The two spiral galaxies will form one giant elliptical galaxy in 5 billion years.
earthsky.org
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