In early 2003, the first results of the Wilkinson Microwave Anisotropy Probe (WMAP) were released, yielding what were at the time the most accurate values for some of the cosmological parameters.
Tidligt i 2003 fremkom resultaterne fra WMAP (Wilkinson Microwave Anisotropy satellitten), som gav de indtil da mest nøjagtige værdier for nogle af de kosmologiske parametre.