Page 51 - Ultimate Visual Dictionary (DK)
P. 51
URANUS
COMPOSITION OF
ATMOSPHERE
EXTERNAL FEATURES AND
INTERNAL STRUCTURE Hydrogen 83%
OF URANUS
Helium 15%
Methane2%
Atmosphere
of hydrogen,
helium, and Sharply defined
methane gases
Epsilon ring
Dense mantle of
icy and gaseous
water, ammonia,
and methane
Blue-green hue due to
presence of methane
in atmosphere
Core temperature
12,600°F (7,000°C)
South Pole
Solid rocky core
10,500 miles(17,000
km) in diameter
Mantle 6,000 miles
(10,000 km) thick
Atmosphere
merging into
mantle
Cloudtop
temperature
-350°F (-210°C)
Rings of dark
rocks interspersed
Icy clouds of with dust lanes
frozen methane
blown by winds of
185 mph (300 km/h)
49

