https://scitechdaily.com/unlocking-the-hubble-trouble-mystery-neutron-star-collisions-illuminate-the-expansion-of-the-universe/
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10/9/23 at 1:47am
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In recent years, astronomy has seen itself in a bit of crisis: Although we know that the Universe expands, and although we know approximately how fast, the two primary ways to measure this expansion do not agree. Now astrophysicists from the Niels Bohr Instit…
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