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Pioneer 11 Infrared Radiometer Experiment: The Global Heat Balance of Jupiter

A. P. Ingersoll, G. Münch, G. Neugebauer, D. J. Diner, G. S. Orton, B. Schupler, M. Schroeder, S. C. Chase, R. D. Ruiz and L. M. Trafton
Science
New Series, Vol. 188, No. 4187 (May 2, 1975), pp. 472-473
Stable URL: http://www.jstor.org/stable/1740330
Page Count: 2
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Abstract

Data obtained by the infrared radiometers on the Pioneer 10 and Pioneer 11 spacecraft, over a large range of emission angles, have indicated an effective temperature for Jupiter of 125° ± 3°K. The implied ratio of planetary thermal emission to solar energy absorbed is 1.9 ± 0.2, a value not significantly different from the earth-based estimate of 2.5 ± 0.5.

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