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History of the 2.7 K Temperature Prior to Penzias and Wilson

Andre K. T. Assis
Marcos C. D. Neves
Year: 1995 Pages: 6
Keywords: 2.7 K temperature, dynamical equilibrium, Big Bang

We present the history of estimates of the temperature of intergalactic space. We begin with the works of Guillaume and Eddington on the temperature of interstellar space due to starlight belonging to our Milky Way galaxy. Then we discuss works relating to cosmic radiation, concentrating on Regener and Nernst. We also discuss Finlay-Freundlich's and Max Born's important research on this topic. Finally, we present the work of Gamow and collaborators. We show that the models based on a Universe in dynamical equilibrium without expansion predicted the 2.7 K temperature prior to and better than models based on the Big Bang.