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Typical spiral galaxy
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"What happens when galaxies collide?" (Ask an Astronomer)
Galaxies are made mostly of stars and gas. But when galaxies collide, the stars and the gas do very different things. In a typical spiral galaxy, for example, there might be about 100 billion stars....
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#typical spiral galaxy
#interacting galaxies
#typical galaxy
#he of the tail o doom
#atronomy
#watch what happens L!VE
#Education
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