Assertion: radiation's temperature | /r/AtLocation | early universe
Facets:
value: very
type: DEGREE
value: according to kondepudi
type: OTHER
Source sentences:
text: According to Kondepudi and Prigogine, at very high temperatures (above 1010 K; such temperatures existed in the very early universe), where the thermal motion separates protons and neutrons in spite of the strong nuclear forces, electron-positron pairs appear and disappear spontaneously and are in thermal equilibrium with electromagnetic radiation.