#astronomers using eso

After a century of speculation, astronomers using ESO’s Very Large Telescope (VLT) have captured the clearest evidence yet that the red supergiant Betelgeuse is orbited by a faint companion star.

Astronomers using ESO’s Very Large Telescope (VLT) have measured carbon and nitrogen isotope ratios in 3I/ATLAS, the third known interstellar visitor to sweep through the Solar System.