New ALMA images show turbulent surface of Betelgeuse

Astronomers using the Atacama Large Millimeter/submillimeter Array captured new detailed images of the red supergiant Betelgeuse, revealing bright hotspots and a corrugated surface from shifting plasma. The star, about 600 light-years away, has an atmosphere around 2,030 degrees Celsius, with some regions even hotter. These observations provide a fresh look at the star that may eventually go supernova.