A cold spot and a stellar burp led to strange dimming of Betelgeuse Ars TechnicaHow Betelgeuse changed in brightness in 2019–2020 European Southern Observatory (ESO)'Great Dimming' of Betelgeuse star is solved Yahoo NewsThe Mystery of Betelgeuse's Weird Dimming Is Likely Solved GizmodoAstronomers Were Puzzled by “Great Dimming” of Betelgeuse – Now the Mystery Is Solved SciTechDailyView Full Coverage on Google News