Astronomers identify record-breaking quasar | ESOcast Light Astronomers have characterised the most luminous quasar observed to date, which is powered by the fastest-growing black hole. This black hole is growing in mass by the equivalent of one Sun per day. The matter being pulled in toward this black hole forms a disc that measures seven light-years in diameter — about 15 000 times the distance from the Sun to the orbit of Neptune. ESO Video Casts Go to SourceRead More →

Come to the Dark Side, we have stars | Chasing Starlight 8 Perhaps you didn’t know, but astronomers are fighting for the dark side. For them, the darkest places on Earth aren’t filled with evil and aggression, just uninterrupted views of the cosmos. Unfortunately, such places are under threat from light pollution. ESO Video Casts Go to SourceRead More →