An Extremely Elongated Cloud Over Arsia Mons Volcano on Mars: I. Life Cycle

@article{HernndezBernal2021AnEE,
  title={An Extremely Elongated Cloud Over Arsia Mons Volcano on Mars: I. Life Cycle},
  author={Jorge Hern{\'a}ndez-Bernal and Agust'in S'anchez-Lavega and Teresa del R{\'i}o-Gaztelurrutia and Eleni Ravanis and A. Cardes{\'i}n‐Moinelo and Kyle Connour and Daniela Tirsch and I{\~n}aki Ord{\'o}{\~n}ez-Etxeberria and B. Gondet and Simon Wood and D. V. Titov and Nicholas M. Schneider and Ricardo Hueso and Ralf Jaumann and Ernst Hauber},
  journal={Journal of Geophysical Research: Planets},
  year={2021},
  volume={126}
}
We report a previously unnoticed annually repeating phenomenon consisting of the daily formation of an extremely elongated cloud extending as far as 1,800 km westward from Arsia Mons. It takes place in the solar longitude (Ls) range of ∼220°–320°, around the Southern solstice. We study this Arsia Mons Elongated Cloud (AMEC) using images from different orbiters, including ESA Mars Express, NASA MAVEN, Viking 2, MRO, and ISRO Mars Orbiter Mission (MOM). We study the AMEC in detail in Martian year… 

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