Satellites, télescopes, images

The constellation Sagittarius (ground-based image)

The darkness within

The core of RCS2 032727-132623 and reconstruction of RCSGA 032727-132609

The eponymous NGC 3783

The chaotic spin of Pluto’s moon Nix

The evolution of the Hubble sequence

The exotic stellar population of Westerlund 1

The dynamic duo, Messier 81 and 82 (ground-based)

The core of the massive compact star cluster in NGC 3603

The curious case of calcium-rich supernovae