ASTRO-110 Lecture Notes - Lecture 23: Inert Gas, Escape Velocity
18 Sep 2020
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Co2 - carbon dioxide, h2o - water, n2 - nitrogen, o2 - oxygen, h - hydrogen, he - helium, ch4 - methane. Let us set aside the earth for a moment - it is very peculiar - after all, we are on it. Among the rest you can see three classes that require explanation: Planets with no atmosphere - moon and mercury. Planets with co2 atmospheres - venus, mars. Planets with h, he atmospheres - the jovians. This brief movie shows the counterclockwise atmospheric motion within jupiter"s great. On the north side, the winds blow to the west; on the south side, the winds blow to the east. The clip was made from images taken by nasa"s cassini spacecraft during separate rotations of jupiter between oct. 1 and oct. 5, 2000. The smallest features in the movie are about 500 kilometers (about 300 miles) across. (nasa/jpl/university of arizona: effect of planetary mass and radius.
