The images taken by the Mars Color Imager (MARCI) on board the NASA Mars Reconnaissance Orbiter (MRO) probe are totally different from the images taken by the Mars Webcam on board the ESA Mars Express probe!!!
While in the images of the Mars Webcam from September 19 you can see a very clear plume that originates from the west side of the caldera of Arsia Mons, in the images of MARCI you can not see anything like that.
But not only that, in the images of the Mars Webcam the plume extends to the west suggesting that the prevailing wind blows from east to west, while the images of MARCI shows that the prevailing wind blows from west to east by the way the main volcanoes are obscured by the passage of dust clouds.
In addition, in the images of MARCI you can see a beautiful orographic cloud (a REAL orographic cloud!!!) on the west side of Arsia Mons, proving that according to NASA images the wind blows from west to true east, as if that were not enough, the aforementioned orographic cloud is totally absent from the footage of the Mars Webcam!!!
It is clear that the two shots are totally irreconcilable with each other, as well as it is clear that one of the two is blatantly false!!!
But then who do we “believe”, NASA or ESA?
Is the plume there or not?
This animation was obtained by sequencing the frames number 170, 470, 770, 1070, 1370, 1670 and 1970 extracted from the “MRO MARCI WEATHER REPORT FOR THE WEEK OF 17 SEPTEMBER 2018 – 23 SEPTEMBER 2018” available at: http://www.msss.com/msss_images/2018/09/26/
The extracted frames were then rotated 90° clockwise to facilitate comparison with the images taken by the Mars Webcam.
HD animated GIF: https://image.ibb.co/j6zOzK/MARCI_17to23_09_2018_Ratated_Credit.gif
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