Satellites, télescopes, images

Digitized all sky-survey (ground-based image)

Digitized sky survey image of AM 0644-741 (ground-based image)

Digitized sky survey image of Abell 370 (ground-based image)

Dim and diffuse

Dim, but still distinct

Disco lights from a galaxy cluster

Discovery of a Dark Auroral Oval on Saturn

Discs and Bulges

Disintegrating asteroid P2013 R3 as viewed by Hubble on 13 December 2013

Disintegrating asteroid P2013 R3 as viewed by Hubble on 14 January 2014