images

Maps of the cosmic microwave background

by

Nasa/Novapix

Reference

a-uni01-70020

Date

2007-03-06

Image of the cosmic microwave background radiation(CMB) temperature anisotropy seen by satellite COBE and WMAP (Wilkinson Microwave Anisotropy Probe).The CMB is radiation from 380,000 years after the big bang. The temperature variation corresponds in changes of density in the early universe.