18
Titan
•Largest moon of
Saturn
•Has thick
atmosphere
–Pressure ~ 1 earth atmosphere
–Mostly N2,
some CH4
–Gas held because of low
T
•UV acting on CH4 Þ smog
–Ethane produced –
Lakes?
–Can “see”
surface only in IR
•Cassini will drop probe
in Fall 2004
•“Code of the Lifemaker” by James P. Hogan, good sf
