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Milky Way Could Lose Two Arms

Since the days of radio observations, astronomers believed that the Milky Way galaxy, in which our solar system is located, has four spiral arms wrapped around the central galactic nuclei. But radio observations are only able to detect concentrations of gas in the galaxy and what previously appeared to be two spiral arms can’t seem to show up at all in a recent investigation carried out in the infrared spectrum with NASA's Spitzer Space Telescope. Simply put, the new infrared map of the ... Read »
Created by chaltaoo Created 18 weeks 4 days ago – Made popular 18 weeks 4 days ago
Category: Science

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