Rotation of venus: continuing contradictions
- PMID: 17798646
- DOI: 10.1126/science.158.3797.114
Rotation of venus: continuing contradictions
Abstract
Optical observations of Venus have yielded various values of the rotation period extending from less than one to several hundred days. Radar observations give a retrograde rotation of the solid globe in 244 +/- 2 days. Recent ultraviolet photographs, however, show relatively rapid displacements of clouds in the high atmosphere of Venus which suggest a retrogrode rotation in only 5 days. The two rates seem to be physically incompatible.
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