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20-Dec-2017 07:52

The surface of Mars is pocked by more than 635,000 impact craters at least 0.6 miles (1 kilometer) wide, a new study reports.

The new Martian crater atlas is the largest single database ever compiled of impacts on a planet or moon in our solar system, researchers said.

AA(Center for Nuclear Technologies, Technical University of Denmark, DTU Risø Campus, DK-4000 Roskilde, Denmark), AB(Center for Nuclear Technologies, Technical University of Denmark, DTU Risø Campus, DK-4000 Roskilde, Denmark), AC(Center for Nuclear Technologies, Technical University of Denmark, DTU Risø Campus, DK-4000 Roskilde, Denmark), AD(cosine Research B.

V., Niels Bohrweg 11, 2333 CA Leiden, The Netherlands), AE(Nordic Laboratory for Luminescence Dating, Aarhus University, DTU Risø Campus, DK-4000 Roskilde, Denmark), AF(Institute of Geography and Earth Sciences, Aberystwyth University, Ceredigion SY23 3DB, U.

At such speeds, the projecticle explodes on impact and carves out a round bowl-shaped depression on the surface. How can you distinguish an impact crater from a volcanic crater?

dating planetary surfaces-13

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They urged a high degree of caution, therefore, when trying to infer the age of a planetary surface.

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