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  • More from BBC Sky at Night

    BBC Sky at Night5 min read
    Surfing Spacetime With LISA
    In September 2015, some of the most sensitive instruments ever built made a remarkable discovery: the first-ever detection of tiny ripples in space and time, known as gravitational waves. Created by a pair of black holes spiralling towards each other
    BBC Sky at Night1 min read
    Dark Stars Could Leave Scars Across The Cosmos
    The scars left behind by exploding ‘dark stars’ could allow astronomers to examine the invisible Universe, a new study has found. Dark matter is the invisible substance believed to suffuse the entire Universe – though as we can only detect it through
    BBC Sky at Night1 min read
    Helping To Solve Cosmology's Biggest Problem
    Although it's well known that the Universe in which we live is expanding, scientists cannot agree on how fast that expansion is happening. The ‘Hubble constant’, which quantifies how fast objects in the Universe are moving away from us, is used to me

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