14
Effects
of T (and E) on Atmospheres
•Saturn’s bands much less distinct
than Jupiter’s
–Temp. lower on Saturn Þ cloud condense lower
–Deeper clouds Þ markings less visible
•Differences at Uranus and Neptune
–Even colder Þ clouds even deeper
–So cold CH4 can condense
–Little solar energy to drive weather
•Uranus has strange seasons – tipped on its
side
•Neptune has strong internal heat
source,
so it still can have weather
so it still can have weather
–Large amounts of heavy elements compared
to amount of H, He on Jupiter, Saturn
•Large amounts of CH4 gas absorb red,
make planets appear blue
make planets appear blue
