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NEW RESOURCES The 51st: Check out thousands of photos of midcentury D.C.. "The photos show a bygone D.C. - when there were still troughs for horses, parts of the city could be […]
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The Andromeda galaxy lies just beyond (...OK, about 2.5 million light-years beyond) our galaxy, the Milky Way. For the past hundred years or so, scientists thought these galaxies existed in a long-term dance of doom — destined to crash into one another and combine into one big galactic soup. But today on the show, Regina and computational astrophysicist Arpit Arora explain why a recent paper out in the journal Nature Astronomy suggests this cosmic game of bumper cars may never come to a head at all.
Interested in more space episodes? Email us your question at shortwave@npr.org.
Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave at plus.npr.org/shortwave.
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