Sentences with phrase «random fluctuations in temperature»

Not exact matches

Cosmologists expected these tiny temperature differences to be distributed at random, but in 2003, when NASA's Wilkinson Microwave Anisotropy Probe (WMAP) satellite surveyed the CMB and mapped the fluctuations at different scales, some unexpected patterns emerged.

At the time (1981) that Hansen published his paper on global warming, it was a theory of what could happen in future times — the trend in global temperatures was still decidedly downwards, as it had been for several decades, and upswings and downswings in the trend were regarded as «random fluctuations» which nobody bothered to try explain.