Exotic Objects, Galaxies, Robotic Spaceflight Hubble helps astronomers find smallest known galaxy with supermassive black hole
Galaxies, Milky Way, Robotic Spaceflight Hubble traces the halo of a galaxy more accurately than ever before
Galaxies, Robotic Spaceflight, Stars Astronomers use Hubble to study bursts of star formation in the dwarf galaxies of the early universe
