Space mission

WMAP (Wilkinson Microwave Anisotropy Probe)

Cosmology & Universe

Definition

NASA's Wilkinson Microwave Anisotropy Probe, which mapped the CMB in detail and pinned down the cosmological parameters.

Overview

WMAP produced the first high-resolution full-sky map of CMB temperature fluctuations, measuring the age, composition, and geometry of the Universe to unprecedented precision and cementing the ΛCDM model.

Operated by

NASA

What it measures

Cosmic Inflation

The Cosmic Microwave Background

Knowledge connections

MeasuresCosmic Inflation
MeasuresThe Cosmic Microwave Background
Operated byNASA

Sources & references

The primary and reference sources this topic draws on.

NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.