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Zwan–Wolf Effect on Mars

May 24 , 2026 16 hrs 0 min 28 0
  • Scientists using data from MAVEN have observed the Zwan–Wolf effect deep in Mars’ atmosphere for the first time.
  • The phenomenon was recorded during a solar storm in December 2023.
  • The Zwan–Wolf effect describes the compression of charged particles along magnetic field structures called flux tubes.
  • On Mars, the effect was seen in the ionosphere (below ~200 km), where charged particles were “squeezed” and redistributed during space weather events.
  • The discovery helps scientists better understand how solar activity affects Mars’ atmosphere and climate evolution.

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