April 4, 2003
An all-sky image of the infant Universe, 380,000 years after the Big Bang. In 1992, NASA's COBE mission first detected tiny temperature fluctuations (shown as color variations) in the infant universe, a landmark discovery. The WMAP image brings the COBE picture into sharp focus. The new, detailed image provides firm answers to age-old questions.
Topics: Cosmic Background Explorer, Explorer program, Physical cosmology, Technology Internet, Edward L. Wright, Big Bang, Cosmic microwave background radiation, Wilkinson Microwave Anisotropy Probe