Jupiter-mass exosatellite detected orbiting brown dwarf CD-35 2722 B

Radial velocity measurements have provided evidence for a Jupiter-mass exosatellite orbiting the brown dwarf CD-35 2722 B, itself a substellar companion to a star. Researchers describe the detection as one of the most promising exomoon-like discoveries to date. The study appeared in Nature on 22 July 2026.

Does detecting a Jupiter-mass exosatellite suggest Earth-like moons are common in the universe?

Nature · 3d ago · Source ↗

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Jupiter-mass exosatellite detected orbiting brown dwarf CD-35 2722 B

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