Physics – Condensed Matter
Scientific paper
Aug 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976icar...28..429k&link_type=abstract
Icarus, vol. 28, Aug. 1976, p. 429-433.
Physics
Condensed Matter
6
Cosmology, Mass Transfer, Mercury (Planet), Planetary Evolution, Jupiter (Planet), Planetology, Solar Activity Effects, Solar System
Scientific paper
The ratio between the mass of condensed matter in Mercury's nebular zone and the final mass of condensed matter in the planet is calculated, and the result suggests that condensed matter equal to more than 10 times the planet's mass was lost from that zone. Five hypotheses to account for this loss are considered: (1) the temperature in Mercury's zone was appreciably higher than the suggested value of 1400 K, (2) the excess was expelled by solar mass outflow, (3) the excess was dragged down by the sun during its contraction, (4) the excess was knocked out by Jupiter-perturbed planetesimals, and (5) the excess was knocked out by earth- and Venus-perturbed planetesimals. The plausibility of each hypothesis is examined, and it is concluded that only planetesimal scattering by earth and Venus appears to be ruled out
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