Uranus and Neptune are the smallest and outermost of the 4 Jovian
planets.  While superficially similar to Jupiter and Saturn, there are
substantial differences.  Uranus and Neptune have smaller rocky cores
surrounded by deep, slushy ice mantles and relatively thinner hydrogen
atmospheres, quite different from the massive cores and deep metallic
hydrogen mantles of Jupiter and Saturn.  We will also ask why they
appear blue, look at their internal energy and weather, and then review
the properties of the Jovian planets as a group.  Recorded 2006 Nov 16
in 100 Stillman Hall on the Columbus campus of The Ohio State
University.

Lecture 38: Uranus and Neptune

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