ESOcast 224: First Interstellar Visitors to the Solar System

ESOcast 224: First Interstellar Visitors to the Solar System In this ESOcast, we explore some of the many questions interstellar visitors 1I/’Oumuamua and 2I/Borisov have raised including: what are they made of? How did they form? Are they like the comets or asteroids in our Solar System? And finally, what can they reveal about other […]

ESOcast 220 Light: Closest Black Hole to Earth Found

ESOcast 220 Light: Closest Black Hole to Earth Found A team of astronomers from the European Southern Observatory (ESO) and other institutes has discovered a black hole lying just 1000 light-years from Earth. The black hole is closer to our Solar System than any other found to date and forms part of a triple system […]

ESOcast 219 Light: Star Dance Around Supermassive Black Hole

ESOcast 219 Light: Star Dance Around Supermassive Black Hole ESO’s Very Large Telescope has observed a star dancing around the supermassive black hole at the centre of the Milky Way. The observations have revealed, for the first time, that the star’s orbit is shaped like a rosette and not like an ellipse. ESO Video Casts […]

ESO astronomy at home

ESO astronomy at home As doctors and nurses are on the frontlines, saving the lives of those infected by COVID-19, others have a role to play to prevent the disease spreading further by staying at home. This goes for ESO staff as well, including astronomers and telescope operators. ESO Video Casts Go to Source