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Atmospheric structure and dynamics as the cause of ultraviolet markings in the clouds of Venus

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  • Dmitry V. Titov

    (Max Planck Institute for Solar System Research (MPS), Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
    Space Research Institute (IKI), 84/32 Profsoyuznaya Str., 117997 Moscow, Russia)

  • Fredric W. Taylor

    (University of Oxford, Oceanic and Planetary Physics, Clarendon Laboratory, Parks Road, Oxford OX1 3PU, UK)

  • Håkan Svedhem

    (ESA/ESTEC, PB 299, 2200AG Noordwijk, The Netherlands)

  • Nikolay I. Ignatiev

    (Max Planck Institute for Solar System Research (MPS), Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany
    Space Research Institute (IKI), 84/32 Profsoyuznaya Str., 117997 Moscow, Russia)

  • Wojciech J. Markiewicz

    (Max Planck Institute for Solar System Research (MPS), Max-Planck-Strasse 2, 37191 Katlenburg-Lindau, Germany)

  • Giuseppe Piccioni

    (Istituto di Astrofisica Spaziale e Fisica Cosmica (INAF-IASF), via del Fosso del Cavaliere 100, 00133 Rome, Italy)

  • Pierre Drossart

    (LESIA, Observatoire de Paris, 5 place Jules Janssen, 92195 Meudon, France)

Abstract

The atmosphere on Venus: reading the clouds Details about the atmosphere on Venus are gradually emerging from the once apparently impenetrable global cloud cover. Simultaneous imaging in the ultraviolet and infrared by Venus Express provides a new view of the ultraviolet patterns seen in the cloud tops. The picture that emerges is one of dark low latitudes dominated by convective mixing in the sulphuric acid clouds, bringing unknown ultraviolet absorbers up from the lower atmosphere. The cloud-top morphology revealed in the southern hemisphere by Venus Express resembles that found earlier by Pioneer Venus and Venera-15 in the north, suggesting global symmetry between the two hemispheres.

Suggested Citation

  • Dmitry V. Titov & Fredric W. Taylor & Håkan Svedhem & Nikolay I. Ignatiev & Wojciech J. Markiewicz & Giuseppe Piccioni & Pierre Drossart, 2008. "Atmospheric structure and dynamics as the cause of ultraviolet markings in the clouds of Venus," Nature, Nature, vol. 456(7222), pages 620-623, December.
    • Handle: RePEc:nat:nature:v:456:y:2008:i:7222:d:10.1038_nature07466
    DOI: 10.1038/nature07466
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