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  1. Hubble Space Telescope finds closest massive black hole to Earth

    Hubble Space Telescope finds closest massive black hole to Earth

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  2. Hubble Spots "IMPOSSIBLE" Stars! Monster Black Hole Found in Milky Way?

    Hubble Spots "IMPOSSIBLE" Stars! Monster Black Hole Found in Milky Way?

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  3. Data Sonification: Sounds from Around the Milky Way

    Data Sonification: Sounds from Around the Milky Way

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