How Small Galaxies Survived being Shredded by Larger Siblings
Amidst the vast universe, solitary galaxies actually gather in clusters, bound together by their shared gravity. Surprisingly, at times, they even consume each other. Put simply, larger galaxies merge with and consume smaller ones, growing even larger. The Milky Way galaxy itself cannibalized a neighboring galaxy, gaining supremacy about 10 billion years ago. And what …