HUBBLE ATLAS
Faint Blue Galaxies — image from the Hubble Space Telescope

Deep fields & lensing

Faint Blue Galaxies

July 24, 1995 · ESA/Hubble

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One of the deepest images of the sky taken to date with the Hubble Space Telescope reveals a population of faint blue galaxies which turn out to be the most common class of objects in the universe.