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Moving clouds west of Hellas basin

Moving clouds west of Hellas basin

ESA / DLR / FU Berlin (G. Neukum) / animation by Emily Lakdawalla

Moving clouds west of Hellas basin
Nine images within one HRSC observation layered into an animation show moving clouds.

The animation flickers because different frames were captured through different filters. (The order is: panchromatic, red, panchromatic, blue, panchromatic, green, panchromatic, infrared, panchromatic.)

The images were taken on October 14, 2010, on Mars Express' 8676th orbit, and show an area within Noachis Terra to the west of Hellas basin, around 45 degrees south, 38 east. The other component has to do with the different look angles of the different channels of HRSC and the significant thickness of the cloud layer. In the first frame, HRSC was looking forward (northward) along its south-to-north orbital path; in the last frame, it was looking backward (southward). Because of this changing perspective, the upper-level clouds appear to move southward with respect to the lower-level clouds.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. For uses not allowed by that license, contact us to request publication permission from the copyright holder: Emily Lakdawalla

Original image data dated on or about October 14, 2010

Explore related images: pretty pictures, atmospheres, amateur image processing, Mars Express, best of, weather and climate, Mars, animation

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