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What happens when two galaxies collide?
How many galaxies are in the universe? How are Galaxies formed? How close is the nearest galaxy? For free home activities sign-up at www.WhoSmarted.com See omnystudio.com/listener for privacy information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.
Published on 4 years, 9 months ago