Solar Wind-Induced Atmospheric Erosion at Mars: First Results from ASPERA-3 on Mars Express

  • R. Lundin
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • S. Barabash
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • H. Andersson
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • M. Holmström
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • A. Grigoriev
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • M. Yamauchi
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J.-A. Sauvaud
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • A. Fedorov
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • E. Budnik
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J.-J. Thocaven
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • D. Winningham
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • R. Frahm
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J. Scherrer
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J. Sharber
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • K. Asamura
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • H. Hayakawa
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • A. Coates
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • D. R. Linder
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • C. Curtis
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • K. C. Hsieh
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • B. R. Sandel
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • M. Grande
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • M. Carter
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • D. H. Reading
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • H. Koskinen
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • E. Kallio
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • P. Riihela
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • W. Schmidt
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • T. Säles
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J. Kozyra
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • N. Krupp
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J. Woch
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • J. Luhmann
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • S. McKenna-Lawler
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • R. Cerulli-Irelli
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • S. Orsini
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • M. Maggi
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • A. Mura
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • A. Milillo
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • E. Roelof
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • D. Williams
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • S. Livi
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • P. Brandt
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • P. Wurz
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.
  • P. Bochsler
    Swedish Institute of Space Physics, Box 812, S-98 128, Kiruna, Sweden.

書誌事項

公開日
2004-09-24
DOI
  • 10.1126/science.1101860
公開者
American Association for the Advancement of Science (AAAS)

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説明

<jats:p>The Analyzer of Space Plasma and Energetic Atoms (ASPERA) on board the Mars Express spacecraft found that solar wind plasma and accelerated ionospheric ions may be observed all the way down to the Mars Express pericenter of 270 kilometers above the dayside planetary surface. This is very deep in the ionosphere, implying direct exposure of the martian topside atmosphere to solar wind plasma forcing. The low-altitude penetration of solar wind plasma and the energization of ionospheric plasma may be due to solar wind irregularities or perturbations, to magnetic anomalies at Mars, or both.</jats:p>

収録刊行物

  • Science

    Science 305 (5692), 1933-1936, 2004-09-24

    American Association for the Advancement of Science (AAAS)

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