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Articles tagged: M51-ULS-1

  • Chandra X-ray Observatory, exoplanet, extragalactic exoplanet, M51-ULS-1, Messier 51 (M51) 27 October 2021 Astronomers may have detected the first planet outside of the Milky Way

    ... colleagues observed after they pointed NASA's Chandra X-ray Observatory at a x-ray binary known as M51-ULS-1. M51-ULS-1 lies close to the heart of Messier 51 (M51), a spiral galaxy 31 million light years, that is also known as the Whirlpool galaxy...

    • Chandra X-ray Observatory
    • exoplanet
    • extragalactic exoplanet
    • M51-ULS-1
    • Messier 51 (M51)

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