Sentences with phrase «microwave background radiation across»
In 2003, NASA's Wilkinson Microwave Anisotropy Probe (WMAP) satellite mapped small temperature variations in the cosmic microwave background radiation across the sky (ScienceNOW, 11 February 2003).
http://www.sciencemag.org/ Not exact matches
The puzzle emerged after astronomers measured the cosmic microwave background — a bath of radiation, left over from the Big Bang — and found only slight variations in its temperature across the entire sky.
Look across space from one edge of the visible universe to the other, and you'll see that the microwave background radiation filling the cosmos is at the same temperature everywhere.