Beyond the orbit of Neptune lies the realm of the icy worlds, ranging in
size from Neptune's giant moon Triton and the dwarf planets Pluto and
Eris, all the way down to the nuclei of comets a few kilometers across.
This lecture discussed the icy bodies of the Trans-Neptunian regions of
the Solar System, discussing the basic properties of Triton (the best
st ... Show More
Nov 2007
Lecture 41: Planetary Rings
All Jovian planets have rings. We are most familiar with the bright,
spectacular rings of Saturn, but the other Jovian planets have rings
systems around them. This lecture describes the different ring systems
and their properties, and discusses their origin, formation, and the
gr ... Show More
42m 55s
Nov 2007
Lecture 40: The Saturn System
Saturn is attended by a system of 60 known moons and bright, beautiful
rings. Today we will explore the moons of Saturn. Among the highlights
are Saturn's lone giant moon, Titan, the 2nd largest moon in the Solar
System and the only one with a heavy atmosphere. The atmosphere of
... Show More
40m 44s