SpARCS Seeks Galaxies Half The Age Of The Universe
Tuesday, June 30, 2009 - 20:35
in Astronomy & Space
Researchers have completed the largest ever survey for very distant clusters of galaxies. Named the Spitzer Adaptation of the Red-sequence Cluster Survey, "SpARCS" detects galaxy clusters using deep ground-based optical observations from the CTIO 4m and CFHT 3.6m telescopes, combined with Spitzer Space Telescope infrared observations. SpARCS is designed to find clusters as they appeared lwhen the universe was 6 billion years old or younger. Astronomers believe the universe was formed 13.7 billion years ago. read more
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