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Formation of Early Water Oceans on Rocky Planets
ocean magma ocean water planet atmosphere
2010/11/15
Terrestrial planets, with silicate mantles and metallic cores, are likely to obtain water and
carbon compounds during accretion. Here I examine the conditions that allow early formation of a surface ...
Distribution of Water Vapor in Molecular Clouds
astrochemistry – ISM abundances – ISM clouds – ISM molecules astrochemistry – ISM abundances – ISM clouds – ISM molecules
2010/11/16
We report the results of a large-area study of water vapor along the Orion Molecular Cloud ridge, the purpose of which was to determine the depth-dependent distribution of gas-phase water in dense mol...
Photochemistry in the inner layers of clumpy circumstellar envelopes: formation of water in C-rich objects and of C-bearing molecules in O-rich objects
Galaxy Astrophysics (astro-ph.GA)
2010/12/28
A mechanism based on the penetration of interstellar ultraviolet photons into the inner layers of clumpy circumstellar envelopes around AGB stars is proposed to explain the non-equilibrium chemistry o...