publication . Article . Other literature type . 2007

South polar features on Venus similar to those near the north pole

Piccioni, Giuseppe; Drossart, Pierre; Sanchez-Lavega, A.; Hueso, R.; Taylor, F. W.; Wilson, C. F.; Grassi, D.; Zasova, L.; Moriconi, M.; Adriani, A.; ...
Open Access English
  • Published: 01 Nov 2007
  • Publisher: HAL CCSD
Venus has no seasons, slow rotation and a very massive atmosphere, which is mainly carbon dioxide with clouds primarily of sulphuric acid droplets. Infrared observations by previous missions to Venus revealed a bright 'dipole' feature surrounded by a cold 'collar' at its north pole (1–4). The polar dipole is a 'double-eye' feature at the centre of a vast vortex that rotates around the pole, and is possibly associated with rapid downwelling. The polar cold collar is a wide, shallow river of cold air that circulates around the polar vortex. One outstanding question has been whether the global circulation was symmetric, such that a dipole feature existed at the sou...
Persistent Identifiers
arXiv: Astrophysics::Galaxy AstrophysicsPhysics::Atmospheric and Oceanic Physics
free text keywords: [SDU.STU.PL]Sciences of the Universe [physics]/Earth Sciences/Planetology, Multidisciplinary, Polar vortex, Vortex, Venus, biology.organism_classification, biology, Atmosphere, Atmospheric circulation, Astronomy, Astrobiology, Dipole, Downwelling, Geology, Polar
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Article . 2007
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Article . 2007
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Article . 2007
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