ASTRON C10 Lecture Notes - Lecture 13: Kuiper Belt, Dwarf Planet, Great Dark Spot
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ASTRON C10 Full Course Notes
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Rough comparison to vinyl record or cd/dvd disk. Dark cassini"s division: mostly empty cap between rings. So thin you can see planets/etc through rings. Could you get a view of crescent saturn: you can not. The rings shine because of reflected sunlight. Titan: has an atmosphere with thick n2. May have lakes of hydrocarbons such as ethane, methane, etc. Maybe there"s a type of life that uses methane. Enceladus: liquid water below surface of moon. Geysers in southern polar region: presumably tidal effect as europa. Largely h, he atmosphere; ammonia and methane clouds. Rotates axis in the opposite direction it goes around the sun. Extreme seasons, in terms of the sun"s visibility but not so different in terms of temperature. Occultation: used to study planetary atmosphere: star"s brightness v time. Spacing in occultation showed rings that are narrow and thin. Each of 10 narrow rings have sheperd rings.
