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The Gas Planets
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There are 4 gas planets, Saturn, Jupiter, Uranus and
Neptune.
Saturn
Saturn is a Gas planet.
It has rings around it that
are made from dust, rock and
ice. Saturn is 764 times the
size of Earth and has 62
moons, 53 of which, are
officially named. Titan, Saturn’s
largest moon and second
largest moon in the Solar
System is larger than the
planet Mercury.
Jupiter
Jupiter is the largest planet in
the Solar System. It is about
1300 times the size of Earth.
Jupiter has 67 moons. Jupiter
radiates more heat than it
receives from the Sun, this
process causes Jupiter to
shrink 2 cm per year. When it
was first formed, Jupiter was
much hotter and was twice its
current diameter.
Uranus
Uranus is the seventh planet
from the Sun. Wind speeds on
Uranus, can reach up to 900 km
per hour. Uranus is 63 times the
size of Earth. It takes 84.3 Earth
years for Uranus to orbit the
Sun. Uranus is the coldest
planet in the Solar System, it
can be -224 degrees there.
Uranus was the first planet
discovered with a telescope.
Neptune
Neptune is the eighth and
farthest known planet in the
Solar System. Neptune is 17
times the size of Earth.
Neptune has 14 moons. The
wind speeds on Neptune can
reach up to 2,100 km per
hour. It takes 164.79 Earth
years for Neptune to orbit the
Sun. It is usually about -218
degrees on Neptune.