First Exomoon Candidate Confirmed via Radial Velocity

First Exomoon Candidate Confirmed via Radial Velocity

ESO's VLT, using the CRIRES+ spectrograph, detected radial velocity wobbles in a brown dwarf orbiting CD-35 2722, revealing a Jupiter-mass companion. Published in Nature on 22 July 2026, the finding would be the first confirmed exomoon. The team calls it an "exosatellite," reflecting the classification debate the detection has triggered.

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