Tag Archive for 'Surface mass ejection' | Sci.News

This illustration plots changes in the brightness of Betelgeuse, following the titanic mass ejection of a large piece of its visible surface; the escaping material cooled to form a cloud of dust that temporarily made the star look dimmer, as seen from Earth; this unprecedented stellar convulsion disrupted the monster star’s 400-day-long oscillation period that astronomers had measured for more than 200 years; the interior may now be jiggling like a plate of gelatin dessert. Image credit: NASA / ESA / Elizabeth Wheatley, STScI.

Betelgeuse is Still Recovering from Gigantic Surface Mass Ejection, Astronomers Say

Aug 11, 2022 by News Staff

Betelgeuse, a red supergiant star located around 650 light-years away in the constellation of Orion, underwent a historic dimming between December 2019...