Deep fields & lensing
Comparative view of galaxy's Ssellar populations
October 8, 1998 · ESA/Hubble · HDF , Hubble Deep Field , Ursa Major
A galaxy can look quite different in visible vs infrared light. This is a comparison view of a spiral galaxy in the Hubble Deep Field -- Hubble Space Telescope's view of the faintest galaxies ever seen in the universe.