Jurassic Space: Ancient Galaxies Come Together after Billions of Years
Thursday, February 18, 2010 - 09:56
in Astronomy & Space
Astronomers have found the astronomical equivalent of prehistoric life in our intergalactic backyard: a group of small, ancient galaxies that has waited 10 billion years to come together. New images of this foursome by NASA's Hubble Space Telescope offer a window into the universe's formative years when the buildup of large galaxies from smaller building blocks was common.