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Zodiacal light and the asteroid belt - The view from Pioneer 10Brightnesses measured by the Pioneer 10 imaging photopolarimeter in two regions of sky were compared on sky maps at sun-spacecraft distances from 2.4 to 4.8 AU to determine the spatial extent of the zodiacal light. Data in the ecliptic at elongations greater than 90 deg show negligible contribution to the zodiacal light beyond 3.3 AU, the 2:1 Jupiter resonance. The zodiacal light brightness at 2.4 AU is less than 10% of that observed at 1 AU.
Document ID
19740060919
Document Type
Reprint (Version printed in journal)
Authors
Hanner, M. S.
Weinberg, J. L.
Deshields, L. M., II
Green, B. A.
Toller, G. N. (New York, State University Albany, N.Y., United States)
Date Acquired
August 7, 2013
Publication Date
September 1, 1974
Publication Information
Publication: Journal of Geophysical Research
Volume: 79
Subject Category
SPACE SCIENCES
Funding Number(s)
CONTRACT_GRANT: NAS2-7963
Distribution Limits
Public
Copyright
Other