
The Satellite Building at Vitacura in 1969

The Rho Ophiuchi star formation region, where hydrogen peroxide has been detected in space (annotated)

ESO 1.52-metre telescope

Die Umgebung des Sternhaufens Terzan 5

Accretion discs show their true colours

The motions of ~14.000 observed stars during the past 250 million years

ISAAC images of Abell 1835

Observing the Venus Transit at Tahiti in 1769 (oil painting)