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Date de publication:5 Octobre 2018
These giant dust storms seen at the equator on Titan rise as far as 10 kilometres above the surface. Mars and Earth are no longer the only worlds in the solar system where such phenomena are known to occur. We put three questions to Sébastien Rodriguez, a planetologist at the IPGP global physics institute in Paris and lead author of this discovery published in the journal Nature Geoscience on 24 September.
Date de publication:17 Août 2018
The American spacecraft New Horizons discovered dunes made of methane ice on the dwarf planet Pluto. Unexpected finding since it took winds to carve them and that Pluto has practically no atmosphere. To understand their formation, we here discuss this matter with François Forget, astrophysicist and co-author of the study published in Science.
Date de publication:24 Mai 2006
The Cassini spacecraft has revealed sand dunes on the surface of Titan, Saturn’s giant moon. The dunes look very similar to those seen in the Namibian desert. They appear to have been sculpted in much the same way as dunes on Earth, even though conditions on Titan are very different.