santosm9402 santosm9402

28-03-2018
Geography

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Based on evidence of the redshift of stars and galaxies, scientist now know that

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AlpenGlow AlpenGlow

07-04-2018

Based on evidence of the redshift of stars and galaxies, scientists know that the universe is expanding. The redshift shows that galaxies outside the Milky Way is moving away from us. The farther the galaxy is the faster it is moving away.

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