WMAP
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.
past Mission
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
