#exosatellite

New ‘exomoon’ detection challenges cosmic labels An international team led by Kevin Hoy has published in Nature the first plausible detection of an exosatellite: a Jupiter-mass object orbiting a brown dwarf companion of the low-mass star CD-35 2722. The find, made with ESO's VLT and the CRIRES+ spectrograph using the radial velocity method, blurs the classical distinction between planets, moons and stellar companions and opens a new chapter for the future Extremely Large Telescope.... https://skycr.org/2026/07/20/first-plausible-exosatellite-around-brown-dwarf-cd-35-2722/