WMAP
Occurred 16 years ago
NASA's WMAP (Wilkinson Microwave Anisotropy Probe) spacecraft measured temperature differences across the sky in the cosmic microwave background radiation, a remnant of the big bang.
Type
Space telescope
Launch
June 30, 2001
Wavelength
Microwaves
operations ceased
Aug. 19, 2010
Artist's concept of the WMAP (Wilkinson Microwave Anisotropy Probe)
Credit: NASA/WMAP Science Team
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