Other galaxies observed by astronomers

How do astronomers know about the future collision of Andromeda and the Milky Way?(1 point)Responses The two galaxies have
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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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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 hello
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Other galaxies observed by astronomers are almost all redshifted. This means that most galaxies are moving away from our galaxy.
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Astronomers discovered a redshift in light from most galaxies when observed from Earth.What explains the observed redshift of
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QuestionHow do astronomers know about the future collision of Andromeda and the Milky Way?(1 point) Responses The two galaxies
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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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Other galaxies observed by astronomers are almost all redshifted. This means that most galaxies are moving away from our galaxy.
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Other galaxies observed by astronomers are almost all redshifted. This means that most galaxies are moving away from our galaxy.
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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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