Planets

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Planets
Planets
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Definition Of A Planet
An object in orbit around a star but does not
give off its own light, Rather it shines by
reflecting sunlight. Planets close to the sun
are rocky (inner planets) Planet farthur away
from the sun consist mostly of gases and liquids
(outer planets) There are nine major planets
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Inner Planets are called inner planets because
they orbit close to the sun. These planets are

• Mercury

• Mars

• Venus

• Earth

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Outer Planets are called outer planets because
they orbit far from the sun. These planets are
called

• Saturn

• Uranus

• Jupiter

• Neptune

• Pluto?

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Asteroids are sometimes called minor planets
because the are made up Of rocks and metal. The
rocks come in many sizes. Larger rocks are
Asteroids. They are found in large areas between
the orbits of Mars And Jupiter.
This area is known as the Asteroid Belt
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Meteoroids and Meteorite
Meteoroids are loose dust particles that come
from Comeroid. Most are Very small. When it
enters Earths atmosphere it forms a bright
light, a shooting star. Most meteoroids break up
in the Earths atmosphere. When they break up it
is called a meteorite.
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Sun - The Sun is a star at the center of our
Solar System. Mercury - Mercury is the planet
closest to the Sun. Venus - Venus is the second
planet from the Sun. It is the hottest planet.
Earth - Earth is the third planet from the Sun
and the planet we live on. Mars - Mars is a red
planet and the fourth planet from the Sun.
Jupiter - Jupiter is the fifth planet from the
Sun. This gas giant is the largest planet.
Saturn - Saturn is the sixth planet from the Sun.
This gas giant has large, beautiful rings.
Uranus - Uranus is a gas giant and is the
seventh planet from the Sun. Neptune - Neptune
is a gas giant and is usually the eighth planet
from the Sun. Pluto - Pluto is a rocky planet
that is usually the farthest planet from the Sun.
It is the smallest planet.
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The Solar System
The Solar System
The Solar System
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Explore the Universe and expand your mind
Susan Hammond TTl June 2003