Where does one galaxy start and the other end?
Some scientists don't thinkthe Canis Major cluster of stars is actually its own galaxy or dwarf galaxy. Instead they think it is just a dense area of faraway stars that are still part of the Milky Way.
Either way, it is clear that this bunch of stars has been pulled very close to our Milky Way by our galaxy’s massive gravity.
Over time, this could be the fate of other satellite galaxies in the area. They could all one day merge into an even larger Milky Way galaxy!
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