Comparative thermal evolution of Uranus and Neptune

W. B. Hubbard

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


We extend a Jovian convective-cooling model to Uranus and Neptune. The model assumes that efficient interior convection prevails, so that escape of interior heat is governed by the radiative properties of the atmosphere. A comparison of the thermal evolution of Uranus and Neptune indicates that the larger amount of solar radiation absorbed in Uranus' atmosphere tends to differentially suppress the escape of interior heat. The model is shown to be consistent with recent infrared observations of the thermal balance of Uranus and Neptune, and with the presumed age of these planets.

Original languageEnglish (US)
Pages (from-to)177-181
Number of pages5
Issue number2
StatePublished - Aug 1978

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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