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New Research Affirms That Milky Way Has Four Spiral Arms

New Research Affirms That Milky Way Has Four Spiral Arms

NPR - Scott Neuman

Our Milky Way galaxy has four arms instead of two, according to just published results of a 12-year study by scientists in the U.K. The findings, published in the Monthly Notices of the Royal Astronomical Society, affirm what astronomers surmised in the 1950s but began to doubt in 2008 after seeing …

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