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Solar System
Anthony and Johnny
• The sun
and the
group of
planets
and
bodies
that orbit
it.
What is a Solar
System
The Sun
• Center of the solar system
• Closest star to Earth
• A body of hot gasses that makes its own light and
heat which is called a star
• Over 100 Earths could fit in the Sun
• Medium sized star
• 25,000000 degrees F
Inner Planets
•
•
•
•
Small,ball shaped
Solid and rocky
They have craters
4 planets are in the inner solar system are
named Mercury, Venus, Earth, and Mars
Mercury
• Nearest planet to the
sun
• One day is as long as a
year
• Called messenger of
the gods
• Smallest planet
• Has no atmosphere
• Has lots of craters
• 750 degrees during day
and -300 degrees at
night
Venus
• Hottest planet because of thick carbon dioxide
atmosphere
• Lava flows from perminite volcanoes
• Called love god
• High winds could blow a car away
Earth
• Only planet
with liquid
water and
oxygen to
support life
• Protective
blanket of
air that is
called a
atmosphere
MARS
• Thin atmosphere-lots of craters
• Nicknamed by Romans god of war
• Scientists think there may have been an ocean
on Mars in the past
• Covered in red rocks made out of iron oxiderust
• Polar ice caps and possibly underground ocean
Asteroid Belt
• Believed that asteroids in asteroid belt are
billions of fragments of rocks leftover from
the formation of the solar system.
• Some pieces are dislodged and enter
earth’s atmosphere and burn up and are
called a meteorite or shooting star.
Outer Planets
•
•
•
•
Farthest planets from the sun
All have rings
Gas giants
Rings are made of ice, gas, and dust
Jupiter
• Biggest planet
• Great red spot is
a raging
hurricane
• King of all
roman gods
• Rocky core
• Core is twice as
big as earth
• 1300 earths can
fill Jupiter
Saturn
• Saturn has the brightest rings
• Rings are made out of ice, dust, and rock
• Leftover rocks are as small as your pinkie
to as big as a refrigerator
• Nicknamed roman god of farming
Uranus
• Named Greek god of heaven and the after whole
world
• Called sister of Neptune
• Featureless
• Rotates on its side
• 64 Earths could fit in Uranus
Neptune
•
•
•
•
Has clouds of white
Great dark spot is a big storm
God of under world
Biggest moon is Tritan
Pluto
• Considered dwarf
planet
• Used to be called ninth
planet
• Scientists think it’s a
moon that was
knocked out of its orbit
Black Holes
• Impossible to get away from
•
•
•
•
Former large star
Light can’t get out of a black hole
Attracts matter from a star
They eventually evaporate and turn into thin gas
The End