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This contribution deals with two different hypotheses on the origin of superficial water on the Earth: the Endogenous hypothesis and the Exogenous one. They proposed that water either was brought to the surface of the Earth from the deep interior of the Earth or would have come to the Earth from celestial bodies that bombarded the planet billions of years ago. The evidence from recent astronomical...
Cometary dust environment modelling is required to make predictions for the European Space Agency’s Rosetta mission. Following results from pre-planetary dust aggregation experiments both on Earth and in space (CODAG), we have developed a code to generate and study the morphological properties of dust chains characterized by a fractal mass dimension Df∼1.3. We are now analysing the scattering...
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