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Motion of a barchan dune in the Bagnold dunefield between 2008 and 2014

Motion of a barchan dune in the Bagnold dunefield between 2008 and 2014

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NASA / JPL / UA / Emily Lakdawalla

Motion of a barchan dune in the Bagnold dunefield between 2008 and 2014
This animation consists of two HiRISE images of a single barchan dune within the dune field that lies north of Mount Sharp within Gale crater. One was taken on August 22, 2008, the other on April 16, 2014. In the time separating the two images, ripples have moved southward up the sloping back of the dune, and the entire dune has shifted southward very slightly. Some of the apparent changes in the image are due to the slightly different angles from which HiRISE looked at the scene.

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 April 16, 2014

Explore related images: pretty pictures, amateur image processing, Mars, Curiosity (Mars Science Laboratory), animation

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