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An object in space is emitting microwaves — and baffling scientists

A row of large antennas, part of the ALMA radio telescope, are seen on a clear sunny day

The Atacama Large Millimeter/submillimeter Array in Chile recorded the signal of a mysterious object that astronomers cannot identify. Credit: John Moore/Getty

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Nature 630, 533 (2024)



  1. Ginsburg, A. et al. Astrophys. J. Lett. 968, L11 (2024).

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