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  • BBC Science Focus Magazine

    DARK MATTER: IS IT TIME WE GAVE UP LOOKING FOR IT?

    Aug 17, 2022 3 minutes
    by MARCUS CHOWN

    Two cosmic anomalies tell us that something big is missing from our model of the Universe. First, stars in the outer regions of a typical galaxy are orbiting the centre too fast for the galaxy’s gravity to hold onto them. By rights, they should fly off into intergalactic space.

    The second anomaly is that you are reading these words – that is, galaxies like the Milky Way, and therefore you, exist. According to the standard picture of galaxy formation, regions of the cooling debris of

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