“The Early Earth: Accretion and Differentiation” was writeen under the direction of James Badro, member of the team I6 “From dust to planets”, and of Michael J. Walter. The Early Earth: Accretion and Differentiation provides a multidisciplinary overview of the state of the art in understanding the formation and primordial evolution of the Earth. The fundamental structure of the Earth […]
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The influx of extraterrestrial material onto Earth is well known through the fall of meteorites, such as the one which may have caused the dinosaurs’ extinction 65 Myr ago. However, the main amount of extraterrestrial material reaching the Earth (~40,000 tons/yr) comes from sub-millimetric particles, called interplanetary dust particles and forming the cosmic dust, which generally originate from asteroid collisions […]
» Read moreK. Baillié, S. Charnoz, and E. Pantin, members of Interface Project “From dust to stars”, publish their results in the newspaper Astronomy & Astrophysics. Their article is entitled Time evolution of snow regions and planet traps in an evolving protoplanetary disk. Artist’s impression of a protoplanetary disk © Dante & Baillié References : K. Baillié, S. Charnoz, and E. Pantin. Astronomy […]
» Read moreTitan, the largest satellite of Saturn, has a thick atmosphere dominated by nitrogen and carbon compounds. This satellite has many similarities with Earth, including a very active weather cucle, essentially controlled by methane, and many landscapes with extremely familar faces in particular huge fields of linea dunes around the equator. Such dune are observed in many terrestrial deserts and even […]
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