Space
Star arrangement that hid for a decade spotted at galaxy’s heart
A dense cluster of stars orbiting the black hole at the centre of the Milky Way has played hide-and-seek with astronomers for years – now we've finally seen it
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A dense cluster of stars orbiting the black hole at the centre of the Milky Way has played hide-and-seek with astronomers for years – now we've finally seen it
Gravity is weaker than it should be – a new theory suggests that’s because the universe is full of invisible particle families which ignore each other