WMAP
LocationSpace (L2)
Year2001
SizeTwin telescopes
TypeSpace telescope
About WMAP
The Wilkinson Microwave Anisotropy Probe. Mapped tiny temperature variations in the cosmic microwave background. Pinned down the age of the universe at about 13.7 billion years. Measured the amounts of ordinary matter, dark matter, and dark energy. Operated from 2001 to 2010.
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