On the topography of extrasolar earthlike planets

Details On the topography of extrasolar earthlike planets On the topography of extrasolar earthlike planets

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978icar...34..441h&link_type=abstract

Icarus, vol. 34, May 1978, p. 441-443.

Computer Science

1

Extrasolar Planets, Planetary Evolution, Planetary Surfaces, Greenhouse Effect, Planetary Structure, Topography, Water, Planets, Terrestrial Planets, Models, Basins, Surface, Topography, Extrasolar Planets

Scientific paper

Attention is given to a class of planets which have experienced early, nearly complete differentiation and outgassing, whose mantles are fully convective, and whose crusts are isostatically compensated. The evolutionary model of Hargraves (1976) suggests that in the absence of a runaway greenhouse, such planets may usually possess continent/ocean topographies similar to that of Earth. But if the planet is significantly larger than Earth, and its star of spectral type earlier than G, it may ordinarily be completely water-covered.

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