Testbed Asteroid Hunter Sees First Light (ESOcast 237 Light) Part of the world-wide effort to scan and identify potentially dangerous asteroids and other near-Earth objects, asteroid hunter Test-Bed Telescope 2 (TBT2), a European Space Agency telescope hosted at ESO’s La Silla Observatory in Chile, has now started operating. ESO Video Casts Go to SourceRead More →

ESOcast 236 Light: First interstellar comet may be the most pristine ever found New observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) indicate that the rogue comet 2I/Borisov, which is only the second and most recently detected interstellar visitor to our Solar System, is one of the most pristine ever observed. This video summarises new findings on this mysterious alien visitor. ESO Video Casts Go to SourceRead More →