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Home* News and Stories → Per­ma­frost on Mars

Per­ma­frost on Mars

The news of the suc­cess­ful lan­ding of the NASA space­craft “Phoe­nix” on Mars on 25 May 2008 went around the world. Now, images have been publis­hed that show sur­face struc­tures that resem­ble frost pat­ter­ned ground which is com­mon in the Arc­tic. The stone rings shown in the NASA images are not per­ma­frost struc­tures: their deve­lo­p­ment does not requi­re per­ma­frost, but fre­quent and strong free­zing and thawing. But more import­ant­ly, they requi­re water/ice for their for­ma­ti­on. 
The NASA images.

Stone rings in Spits­ber­gen (Woodfjord).

Permafrost on Mars

Source: NASA

By the way, my new book is in print and it can now be orde­red 🙂 it is a pho­to book with the tit­le “Nor­we­gens ark­ti­scher Nor­den (1): Spitz­ber­gen – vom Polar­licht bis zur Mit­ter­nachts­son­ne”, with Ger­man text Click here for fur­ther details!

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last modification: 2014-07-01 · copyright: Rolf Stange
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