A Note on the Source of Interstellar Interference

  • Karl G. Jansky
Part of the Studies in the History of Modern Science book series (SHMS, volume 10)


Further consideration of the data obtained during observations on interstellar interference has shown that these radiations are received any time the antenna system is directed towards some part of the Milky Way system, the greatest response being obtained when the antenna points towards the center of the system. This fact leads to the conclusion that the source of these radiations is located in the stars themselves or in the interstellar matter distributed throughout the Milky Way.

Because of the similarity in the sound produced in the receiver headset, it is suggested that these radiations might be due to the thermal agitation of charged particles.


Single Direction Thermal Agitation Interstellar Matter Bell Telephone Laboratory Extraterrestrial Origin 
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  1. K. G. Jansky, “Directional studies of atmospherics at high frequencies,” Proc. I.R.E., vol. 20, p. 1920; December, (1932)Google Scholar
  2. K. G. Jansky, “Electrical disturbances apparently of extraterrestrial origin,” Proc. I.R.E., vol. 21, p. 1387; October, (1933)Google Scholar
  3. Reprinted, with permission, from the ‘Proceedings of the Institute of Radio Engineers’ 23, 1158–1163 (1935)Google Scholar
  4. F. B. Llewellyn, “A study of noise in vacuum tubes and attached circuits,” Proc. I.R.E., vol. 18, p. 243; February (1930)Google Scholar
  5. A. S. Eddington, “Stars and Atoms,” pp. 66–69, Yale University Press, 1927.Google Scholar

Copyright information

© The Institute of Radio Engineers 1935

Authors and Affiliations

  • Karl G. Jansky
    • 1
  1. 1.Bell Telephone Laboratories, IncNew York CityUSA

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