WMAP
LocationSpace (L2)
Year2001
Size1.4 m mirrors (2)
OperatorNASA
About WMAP
The Wilkinson Microwave Anisotropy Probe. Pinned down the age of the universe to 13.77 billion years. Confirmed the existence of dark energy. The first to precisely measure the geometry of the universe. Decommissioned in 2010.
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