Present understanding of the dayside mantle regions of Venus and Mars

Research output: Contribution to journalArticle

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Abstract

The objective of this paper is to explore the structure and properties of the region between the shocked solar wind and the planetary plasma on the dayside of Venus and Mars. It was shown already in 1980 by the retarding potential analyser carried aboard PVO that above the Venussian ionosphere there is a special plasma region where both the shocked solar wind and planetary plasma are present, this region was called the dayside mantle. The observations obtained by the plasma instruments carried on board the Pioneer Venus Orbiter, the Phobos 2 spacecraft, and the Mars Global Surveyor have proven that the dayside mantle is a permanent region (or layer) around non-magnetic planets. In the mantle different plasma features are ordered in altitude; some of these features are the consequence of the natural behaviour of the solar wind flow at the edge of its "container", and are described by current 3-D MHD models in fluid approach. Other features are the result of the local interaction of the flow and the plasma of the obstacle, requiring a kinetic approach.

Original languageEnglish
Pages (from-to)841-850
Number of pages10
JournalAdvances in Space Research
Volume28
Issue number6
DOIs
Publication statusPublished - Sep 2001

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Venus (planet)
Venus
mars
Mars
Earth mantle
mantle
Plasmas
plasma
Solar wind
solar wind
Pioneer Venus 1 spacecraft
Phobos
Mars Global Surveyor
Ionosphere
Beam plasma interactions
Planets
Magnetohydrodynamics
containers
ionospheres
Containers

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Present understanding of the dayside mantle regions of Venus and Mars. / Szegö, K.

In: Advances in Space Research, Vol. 28, No. 6, 09.2001, p. 841-850.

Research output: Contribution to journalArticle

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