Astronomers using two instruments on ESO’s Very Large Telescope (VLT) have captured new images of a red supergiant star called Betelgeuse. The images show not only the fading red supergiant but also how its apparent shape is changing. This comparison image shows Betelgeuse, which is also known as Alpha Orionis, before and after its unprecedented dimming. The observations, taken with the SPHERE instrument on ESO’s Very Large Telescope in January...
