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NASA’s Hubble Space Telescope has given us some extraordinary sights of the universe since it went up in 1990. The latest comes from some Yale researchers…
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If the Milky Way galaxy were the size of the continental United States, Proxima Centauri, our nearest neighboring star, would be about one-tenth of a mile…
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When you look at distant galaxies through a telescope, you're looking back in time as well as space because it takes light so long to travel that far. So…