James Webb Space Telescope's 'shocking' discovery may hint at hidden exomoon around 'failed star'
JWST's surprise discovery of methane emissions and likely aurorae over a distant brown dwarf could indicate this "failed star" is orbited by an active moon.
TroibNews 
JWST's surprise discovery of methane emissions and likely aurorae over a distant brown dwarf could indicate this "failed star" is orbited by an active moon.
