Star Wars home of Anakin Skywalker threatened by dune
Sand dunes migrating over the Tunisian desert are poised to bury a famous Star Wars film set.
The buildings of the fictional city Mos Espa featured in The Phantom Menace, “Episode I” of the Jedi saga. Sited on the planet Tatooine, this was the home of the young Anakin Skywalker, later to become Darth Vader. Scientists have used the dwellings as a fixed geographic reference to measure the migration of giant wind-blown crescent-shaped dunes, or barchans. Homes are rarely built in dune fields, and this study illustrates why. It shows dune movements on Earth are 10 times faster than barchans on Mars. Wind-blown sand can build huge mounds in arid deserts, with sand grains pushed up the shallow rear slope before falling down the steep front slope in the lee of the wind. With steady prevailing winds, the dune shape reflects the wind direction and can develop crescent “wings” pointing downwind. Individual crescent-shaped barchans are seen on other planets as well as on Earth, and have been imaged on the surface of Mars as well as on Titan, the largest moon of Saturn. (via BBC News - Star Wars home of Anakin Skywalker threatened by dune)