Astronomers have made a remarkable discovery: the Earth is part of a group of galaxies! This group of galaxies, known as a “Local Sheet,” is composed of the Milky Way, the Andromeda galaxy, and dozens of other smaller galaxies. This new discovery, which was recently published in the journal Nature Astronomy, sheds light on how galaxies form and evolve in the universe.

Astronomers have long known that the Milky Way and Andromeda are part of a larger group of galaxies. However, until now, the exact structure of the group was unknown. By studying the movements of galaxies, astronomers were able to map out the structure of the Local Sheet and determine that the Earth is a part of it. This discovery marks a major milestone in our understanding of the universe, as it provides insight into the formation and evolution of galaxies.

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source: Phys.org