Observatoire de Paris - PSL

@obs-paris-psl.bsky.social

Etablissement public en charge de missions de recherche fondamentale et appliquée, d’enseignement supérieur et de partage des savoirs dans les disciplines liées aux sciences de l’Univers, à l’astronomie et à la métrologie du temps.

The conclusion of a century-long quest 😲 Our VLT obtained firm evidence that Betelgeuse, a red supergiant star in the Orion constellation and one of the most famous stars in the night sky, is not alone! 🔭 🧪 1/4

A collage of various astronomical images. The background image shows a wide view of a starry night sky, with blue lines connecting the stars of the Orion constellation. An inset image zooms into the star Betelgeuse, showing its orange surface. A second inset shows a bright companion next to the star. Image by ESO/M. Montargès et al. Background: N. Rissinger (skysurvey.org).