Computer Science
Scientific paper
Nov 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.270..333s&link_type=abstract
Nature, vol. 270, Nov. 24, 1977, p. 333, 334.
Computer Science
Abundance, Planetary Composition, Planetary Cores, Hydrogen Clouds, Iron, Liquid Metals, Nickel, Planetary Evolution, Silicon, Solar System
Scientific paper
The equilibrium condensation of the solar nebular gas at 1,900 K at varying total pressures and varying abundance of hydrogen is considered. The ten elements of the systems include H, O, Al, Mg, Fe, Ni, C, Si, S, and Ca in solar abundance. Liquid solutions of Fe, Ni, and Si are considered. The investigation shows that a core of liquid alloy could form from a gas of solar composition only at relatively high pressures of the order of 1 to 2 atm. This pressure could be lowered by a factor of 10 if hydrogen is depleted by a similar factor. A greater hydrogen depletion results in stabilizing forsterite down to 0.01 atm (and lower).
Benimoff A.
Saxena Surendra K.
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