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How do astronomers know about the future collision of Andromeda

How do astronomers know about the future collision of Andromeda in the Milky Way two galaxies have collided previously the Milky
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How do astronomers know about the future collision of Andromeda and the Milky Way?(1 point)Responses The Milky Way has changed
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2. asked by pop job
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How do astronomers know about the future collision of Andromeda and the MilkyWay? (1 point) All galaxies will collide at some
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How do you astronomers know about the future collision of Andromeda and the Milky Way?Astronomers have observed their movements
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How do astronomers know about the future collision of Andromeda and the Milky Way?(1 point) Responses The Milky Way has changed
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How do astronomers know about the future collision of Andromeda and the Milky Way?(1 point)Responses The Milky Way has changed
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Galaxy Formation Quiz3 of 73 of 7 Items Question How do astronomers know about the future collision of Andromeda and the Milky
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How do astronomers know about the future collision of Andromeda and the Milky Way?
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2. asked by Nobody
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How do astronomers know about the future collision of Andromeda and the Milky Way
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How do astronomers know about the future collision of Andromeda and the Milky Way?(1 point)Responses Astronomers have observed
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2. asked by Ben
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