Linked from
The 93 pages that link to Hubble Space Telescope, each with the reason it gives.
Dark galaxyRelated: Deep imaging can set limits on faint stellar populations in candidate systems.
Dumbbell NebulaRelated: Its detailed images resolve structures in the nebula’s ionized gas.
Messier 15Related: Its sharp images have resolved Messier 15's crowded central stars.
Story MusgraveRelated: STS-61 corrected its flawed optics and restored its intended image quality.