
The arrival of the primary mirror of the ESO 3.6-metre telescope to La Silla Observatory

The ESO 3.6-metre telescope under construction

VFTS 102: the fastest rotating massive star (unannotated)

Catherine Cesarsky’s farewell

Wide-field view of Abell 2744

Press conference on ELT site selection

The first three ALMA antennas at the Array Operations Site (AOS) on Chajnantor

The ALMA array operations site technical building on Chajnantor

A sign on Chajnantor for ALMA optical fibre cable

Weather balloons on Paranal in support of the ELT

La Silla site search

The signing ceremony with Austria