Download Planet - Cobb Learning

Revised by Claire Anne Baird
Planet. An object in orbit around
a star but does not give off its
own light,. Rather it shines by
reflecting sunlight
Mars
Jupiter
Uranus
Pluto
Mercury
Neptune
Saturn
Earth
Venus
Inner Planets are called
inner planets because they
orbit close to the sun. These
planets are:
Mercury
Venus
Earth
Mars
Outer Planets are called outer
planets because they orbit far
from the sun. These planets
are called:
Neptune
Jupiter
Saturn
Uranus
Pluto
•One rotation takes 10.7 hours.
•One year is 29.5 Earth years.
•It has at least 17 moons and
many rings.
•Saturn is the sixth planet from
the sun and the second gas
planet.
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•Saturn’s rings are made of ice,
learn more about
rock, and dust.
Saturn.
•One rotation takes 243 days.
•One year is 224.7 days.
•It has no moon or rings.
•Venus is the second planet
from the sun.
•It is as dry as a desert and
hotter than an oven..
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learn more about
Venus.
•One rotation takes 16 hours.
•One year is 165 earth years.
•It has 8 moons and 4 rings.
•It is the eighth planet from
the sun and the last gas
planet.
•Neptune is blue-green.
Click here to learn more about Neptune.
•One rotation takes 6 days.
•One year is 248 earth years.
•It has 1 moon and no rings.
•It is the ninth, and last planet
from the sun, but every 248 years
Neptune orbits farther than Pluto.
•Charon is Pluto’s moon.
Click here to learn more about Pluto.
•One rotation takes 17 hours.
•One year is 84 earth years.
•It has at least 15 moons and 10
rings.
•Uranus is the seventh planet from
the sun and the third gas planet.
•Uranus seems to rotate on its side.
Click here to
learn more about
Uranus.
•One rotation takes 59 days.
•One year is 88 days.
•It has no moon or rings.
•Mercury is the closest planet to
the sun.
•It looks a lot like our moon.
Click here to
learn about Mercury.
•One rotation takes 9.8 hours.
•One year is 12 earth years.
•It has at least 16 moons and 2
rings.
•It is the fifth planet from the
sun and the first gas planet.
•It has a great red spot of
swirling gas.
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learn more about
Jupiter.
•One rotation takes 24 hours.
•One year is 365 1/4 days.
•It has 1 moon and no rings.
•It is the third planet from the
sun.
•Earth is mostly covered with
water.
Click here to learn more about Earth.
•One rotation takes 24.5 hours.
•One year is 687 days.
•It has 2 moons and no rings.
•It is the fourth planet from the
sun and the last of the inner
planets.
•Mars looks red because of rusty
iron in its soil and red dust in its
air.
Click here to learn more about Mars.
Milky Way Galaxy
• General structure of the Milky Way
Galaxy.
• The Milky Way Galaxy consists of a thin disk
about 100,000 light-years in diameter with a
central bulge. The spherical region
surrounding the entire disk is called the halo.
• Where is the Sun located within our
galaxy?
• The Sun is located in the disk, about 28,000
light years from the galactic center.
Moons of the Planets
25
Mercury
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
20
15
10
5
0
Number of Moons
SUN
75% hydrogen and 25% helium by
mass
Sun converts hydrogen to helium in its
core
Differential rotation
equator the surface rotates once every
25.4 days
near the poles it's as much as 36 days
Core conditions
temperature is 15.6 million Kelvin
pressure is 250 billion atmospheres
Asteroids are sometimes called minor planets
because they 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. (Called the Asteroid Belt)
Meteoroids and Meteorite
Meteoroids are loose dust particles that come from
Comeroid. Most are
Very small. When it enters Earth’s atmosphere it forms a
bright light, a
shooting star. Most meteoroids break up in the Earth’s
atmosphere.
When they break up it is called a meteorite.
Review
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.