Stream of stars in Andromeda satellite galaxy shows cosmic collision
Main Points: The Andromeda Galaxy is surrounded by a swarm of small satellite galaxies. Researchers from the Niels Bohr Institute,
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Andromeda galaxy
Andromeda Galaxy will collide with our Milky Way but in four billion years
Researchers from NASA have predicted that the head-on collision between the neighboring Andromeda galaxy and the Milky Way will occur
