Created By: Haley H. and Shelby O.

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Our Solar System

• Created By Haley H. and Shelby O.

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The Sun

• The Suns core is 36,000,000 F.
• The stars are huge balls of superheated gas.
• The sun is in the Milky way galaxy.
• It makes its own light and heat.

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Mercury

• The planet Mercury has no moons.
• Its surface is rocky with craters.
• The atmosphere is thin, containing oxygen and
  helium.
• The diameter is 4878 km.
• One day on Mercury is 59 Earth days.
• One year on Mercury is 88 Earth days.

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Venus

• The planet Venus has no moons.
• Venuss surface is rocky.
• The atmosphere is thick and mostly carbon dioxide
  and nitrogen.
• Its diameter is 12,100 km.
• One day on Venus is 243 Earth hours.
• One year on Venus is 225 Earth days.

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Earth

• Earth has one moon. Its surface is mostly water,
  with areas of soil covered rock. The atmosphere
  is nitrogen and oxygen. Its diameter is 12,756
  km. A day on Earth is 24 hours, and a year is 365
  days.

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Mars

• The planet mars has two moons.
• Its surface is rocky and covered with dust.
• The atmosphere on mars is thin and mostly carbon
  dioxide.
• Its diameter is 6,786 km.
• A day on Mars is 25 Earth hours.
• A year is 687 Earth days.

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Jupiter

• The planet Jupiter has 16 moons.
• Its surface is a gas planet possibly with liquid
  hydrogen surface.
• The atmosphere is hydrogen and helium.

• Jupiters diameter is 142,984 kilometers.
• One day on Jupiter is 10 Earth hours.
• A year is 12 Earth years.

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Saturn

• Saturn has 19 moons.
• Its surface is gas with no solid surface.
• The atmosphere is mostly hydrogen and helium.
• Its diameter is 120,536 km.
• A day on Saturn is 10 Earth hours.
• A year on Saturn is 29.5 or 29 and 1 half Earth
  years.

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Uranus

• Uranus has 17 moons.
• Its surface is gas with no known solid surface.
• The atmosphere is hydrogen and helium.
• The diameter is 51,108 km.
• A day is 18 Earth hours.
• A year on Uranus is 84 Earth years.

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Neptune

• Neptune has 8 moons.
• The surface of Neptune is gas with no solid
  surface.
• Neptunes atmosphere is hydrogen, helium, and
  methane.
• The diameter is 49,538 kilometer.
• One day on Neptune is 19 Earth hours.
• One year is 165 Earth years.

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Pluto

• Pluto has one moon.
• The surface is water and methane ice.
• Its atmosphere is methane.
• The diameter is 2,350 km.
• One day is 6 Earth days and one year is 248 Earth
  years.

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The Astroid Belt

• The Asteroid belt contains 50,000 known
  asteroids.
• The largest asteroid is 1,000 km. in diameter.
• Asteroids are made out of rock and metal.
• It is located between Mars and Jupiter.

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Solar System

• The Solar System contains galaxies, planets, the
  sun, the Asteroid belt, the Kuiper belt, and the
  Oort cloud.
• It also contains the smaller bodies which are
  comets, asteroids, meteoroids, and stars.

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Facts

• MERCURY In sunlit areas the surface is hot
  enough to melt lead.
• VENUS Venus rotates backwards compared to other
  planets.
• EARTH Has the only known life in the Solar
  System.
• MARS Has the Solar Systems largest volcano,
  Olympus Mons, that has a base larger than New
  Mexico.

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MORE Facts

• JUPITER The Great Red Spot on Jupiter is a
  gigantic storm that has lasted since the time of
  Galileo.
• SATURN It has a wide, thin system of rings made
  of small pieces of rock and ice.
• URANUS A possible collision with an earth-sized
  object that may have knocked Uranus on its side.
  As a result, it rolls around in orbit.

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EVEN MORE Facts!

• NEPTUNE It is one of the windiest places in the
  Solar System. Winds top about 620 miles per hour.
• PLUTO It is normally the ninth planet but its
  orbit goes inside Neptune and Uranus making it
  sometimes the eighth planet.
• SUN The Suns surface is cooler than its
  atmosphere.

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• An asteroid is a chunk made of rock and metal
  that orbits the sun.
• There have been 26 asteroids discovered.
• Asteroids dont have enough gravity to pull
  themselves into the shape of a ball.

• A comet is a world of dust and ice.
• Another name for a comet is planetesimal.
• Comets are found in the Kuiper belt and the Oort
  cloud.

ASTERIODS
COMETS
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• Stars are big exploding balls of gas.
• They are mostly made of helium and hydrogen.
• The Sun is the biggest star because it is the
  closest.

Stars
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Milky Way Galaxy

• The Milky Way Galaxy has 200 billion stars.
• A disk, a bulge, and a halo are the three main
  components.
• Milky ways mass is between 750 billion and one
  trillion solar masses.

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