Titan

Remark on the obliquity of moons: one must be careful to distinguish the obliquity relative to the plane of the moon's orbit from the obliquity relative to the ecliptic. This is critical in cases like Titan, which are tide-locked to the parent planet.

Observations of Titan seasonal cycle. Expectations from thermal inertia and obliquity. Low rotation rate and thick atmosphere means that the atmosphere can transport heat very efficiently,and the very weak solar forcing means the atmosphere doesn't need to transport much heat to equalize the temperature. Upper atmospheric vs. surface solar heating. Implications of the methane and nitrogen "hydrological" cycles.

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