Encyclopedia > Background radiation

  Article Content

Background radiation

Background radiation is the level of radiation which occurs naturally in the atmosphere or space.

The cosmic microwave background, which is left over from recombination of protons and electrons in the early universe permeates all of space with a temperature of 2.726 kelvin.

See also:

External links

All Wikipedia text is available under the terms of the GNU Free Documentation License

  Search Encyclopedia

Search over one million articles, find something about almost anything!
  Featured Article
Battle Creek, Michigan

... 110.9 km² (42.8 mi²) of it is land and 2.2 km² (0.8 mi²) of it is water. The total area is 1.92% water. Demographics As of the census2 of ...

This page was created in 25.4 ms