The European Extremely Large Telescope is given the go-ahead by member states of the European Southern Observatory organisation.
Scientists at the European Southern Observatory announce the discovery of isotopes of carbon-13 on TYC 8998-760-1 b, an exoplanet located 300 light-years away from the Musca constellation. The discovery was made via the Very Large Telescope in Chile.
The European Southern Observatory announces the discovery of Earth's closest-known black hole (HR 6819). The invisible object in the QV Telescopii system has a mass at least four times that of our Sun, and is roughly 1,000 light years (10 quadrillion km) from Earth in the constellation Telescopium.
Astronomers at the European Southern Observatory's Very Large Telescope (VLT) in Chile track the motion of gas giant Beta Pictoris b, the first time an extra-solar planet is tracked in orbit around a young star.