ESOcast is a video podcast series dedicated to bringing you the latest news and research from ESO, the European Southern Observatory. Here we explore the Universe's ultimate frontier.
https://www.eso.org/public/esocast.html
ESOcast 217 Light: ESO Telescope Sees Surface of Dim Betelgeuse
Using ESO's Very Large Telescope (VLT), astronomers have captured the unprecedented dimming of Betelgeuse, a red supergiant star in the constellation Orion.