Satellites, télescopes, images

The galaxy cluster Abell 2218

The gargantuan galaxy NGC 1132

The geometry and structure of the Ring Nebula (Messier 57)

The geometry of MACS J0717

The globular cluster NGC 6388 observed by the MPGESO 2.2-metre telescope

The globular cluster NGC 6388, observed by Hubble

The chaotic spin of Pluto’s moon Nix

The deep cosmos

The faces of Vesta

The cluster RDCS1252.9-2927 (detail)