Planetary satellites - an update

Details Planetary satellites - an update Planetary satellites - an update

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983s%26t....66..405b&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 66, Nov. 1983, p. 405-407.

Physics

Natural Satellites, Solar System, Enceladus, Hyperion, Iapetus, Io, Phoebe, Titan, Uranus (Planet), Volcanoes, Voyager 1 Spacecraft, Planets, Satellites, Review, Popular, Terrestrial Planets, Giant Planets, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto, Orbits, Radii, Period, Eccentricity, Inclination, Magnitude, Comparisons, Observations, Physical Properties, Characteristics, Features, Titan, Data

Scientific paper

General features of all known planetary satellites in the system are provided, and attention is focused on prominent features of several of the bodies. Titan has an atmosphere 1.5 times earth's at sea level, a well a a large body of liquid which may be ethane, CH4, and disolved N2. Uranus has at least five moons, whose masses have recently been recalculated and determined to be consistent with predictions of outer solar system composition. Io's violent volcanic activity is a demonstration of the conversion of total energy (from Jupiter) to heat, i.e., interior melting and consequent volcanoes. Plumes of SO2 have been seen and feature temperatures of up to 650 K. Enceladus has a craterless, cracked surface, indicating the presence of interior ice and occasional breakthroughs from tidal heating. Hyperion has a chaotic rotation, and Iapetus has one light and one dark side, possibly from periodic collisions with debris clouds blasted off the surface of the outer moon Phoebe.

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