An extraordinary phenomenon taking over the Red Planet.
The United Arab Emirates’ EMM found that fine-scale structures covered the proton aurora during the entire day side of Mars.
“EMM’s observations suggested that the aurora was so widespread and disorganized that the plasma environment around Mars must have been truly disturbed, to the point that the solar wind was directly impacting the upper atmosphere wherever we observed auroral emission,” said Mike Chaffin, a MAVEN and EMM scientist based at the Laboratory for Atmospheric and Space Physics at the University of Colorado Boulder and lead author of the study.
“The full impact of these conditions on the Martian atmosphere is unknown, but EMM and MAVEN observations will play a key role in understanding these enigmatic events,” Chaffin added.Thanks to the collaboration of MAVEN's full suite of plasma instruments, scientists have been able to observe the Red Planet's upper atmosphere and exosphere like never before. Such advances have paved the way to discovering what's behind the new aurora.
France Dernières Nouvelles, France Actualités
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