Page 49 - Ultimate Visual Dictionary (DK)
P. 49
SATURN
ATMOSPHERE
COMPOSITION STRUCTURE
EXTERNAL FEATURES AND Hydrogen about 96.3%
INTERNAL STRUCTURE
OF SATURN Helium about 3.3%
Haze of
Traces of ammonia, methane, Stratosphere ammonia crystals
and water vapor
Clouds form belts (dark,
low-altitude layers) and White clouds of
zones (bright, high- ammonia crystals
altitude layers) Atmosphere of mainly
hydrogen and helium
Dark orange clouds
Troposphere of ammonium
hydrosulfide
crystals
Outer mantle merging
into atmosphere
Blue clouds of water
ice and water vapor
F ring
A ring (broad ring
comprising many ringlets)
Inner mantle 9,000
miles (15,000 km) thick B ring (broad ring
comprising many ringlets)
C ring (“crepe ring”; broad ring
comprising many ringlets)
D ring
Outer mantle of
liquid hydrogen
Inner mantle of
liquid metallic hydrogen
Rock and ice core
18,500 miles (30,000
km) in diameter
Core temperature Cassini Division
27,000°F (15,000°C) (apparent gap
containing at least
100 ringlets)
Encke Division (gap
Equator swept by in which the moon
winds of 1,100 mph Pan orbits)
(1,800 km/h)
Cloud-top temperature
about -290°F (-180°C)
Radial spoke
(probably dust particles Anne’s Spot
above plane of rings) (anticyclonic storm system)
47
