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    WE TALK ABOUT

    Sep 18, 2020 4 minutes
    COMPILED BY SUZAAN HALL

    Two black holes collide

    SCIENTISTS have discovered that they’ve recorded the shock-waves from two black holes merging in space – and that it happened 7 billion years ago!

    The two black holes collided and merged into a new black hole, the size of which no one has seen before.

    What are black holes? How do the scientists know two collided? And why have they only recorded this now?

    It is an area in space where a great mass accumulates over a long period. This mass causes extremely strong gravitational pull – so strong that a very deep hole forms. This hole

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