Usman371

Usman371

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    Supermassive black hole
    1:43

    Supermassive black hole

    It's about supermassive black hole according to NASA
    Galaxy distance (a millions of years)
    0:22

    Galaxy distance (a millions of years)

    It's about light year....galàxy distance according NASA reports
    Spectroscopy
    7:52

    Spectroscopy

    The dance between matter and light....NASA goddard credibility
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