WMAP (Wilkinson Microwave Anisotropy Probe)

This illustration shows NASA’s WMAP spacecraft in shades of blues. The bottom of the satellite is a round circle, like a ballerina’s tutu. Rising from the circle is a bulky, vaguely cylindrical shape topped by two circles facing opposite directions.
CreditNASA
Historical DateDecember 20, 2022
Language
  • english

An illustration of NASA’s WMAP spacecraft. The colors depicted in this illustration are for artistic purposes only.

WMAP measured temperature differences across the sky in the cosmic microwave background radiation, a remnant of the big bang.

Launched: June 30, 2001
Operations ceased: August 19, 2010