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The images of the two black holes look similar, even though the Milky Way's black hole is 1,000 times smaller. As more black holes get their headshots taken, researchers can continue probing ...
Journal reference: Astronomy & Astrophysics DOI: 10.1051/0004-6361/202453014 The closest ever Einstein ring, picked up by the European Space Agency’s Euclid space telescope ESA ...