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ASPERA [1 record]

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Record 1 2003-05-08

English

Subject field(s)
  • Astrophysics and Cosmography
  • Research Experiments in Space
CONT

How the solar wind erodes the Martian atmosphere? The Martian atmosphere is a shadow of its former self. Four billion years ago it was thick, similar to the Earth's. Today, atmospheric pressure at the planet's surface is only about 7 mbar, or 0.6% of that on the Earth. Where did the atmospheric gases go? One of the main tasks of the Energetic Neutral Atoms Analyser (ASPERA) on board Mars Express is to find out.

Key term(s)
  • energetic neutral atom analyser
  • energetic neutral atom analyzer

French

Domaine(s)
  • Astrophysique et cosmographie
  • Travaux de recherche dans l'espace
Key term(s)
  • analyseur d'atome neutre à haute énergie

Spanish

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