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Venus: Atmospheric motion and structure from Mariner 10 pictures

Science

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, , , , , , , , ,

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Abstract

The Mariner 10 television cameras imaged the planet Venus in the visible and near ultraviolet for a period of 8 days at resolutions ranging from 100 meters to 130 kilometers. The general pattern of the atmospheric circulation in the upper tropospheric/lower stratospheric region is displayed in the pictures. Atmospheric flow is symmetrical between north and south hemispheres. The equatorial motions are zonal (east-west) at approximately 100 meters per second, consistent with the previously inferred 4-day retrograde rotation. Angular velocity increases with latitude. The subsolar region, and the region downwind from it, show evidence of large-scale convection that persists in spite of the main zonal motion. Dynamical interaction between the zonal motion and the relatively stationary region of convection is evidenced by bowlike waves.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Venus: Atmospheric motion and structure from Mariner 10 pictures
Series title:
Science
Volume
183
Issue:
4131
Year Published:
1974
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
1307
Last page:
1315
Number of Pages:
9