Our Solar System

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Our Solar System

by Mr. Herrigel
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Our Sun

• 330,000X greater mass than Earth.
• If the Sun were the size of a soccer ball, the
  Earth would be the size of a BB.
• Its HOT! And its HUGE!

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The Terrestrial Planets(Made mostly of rock and
metal)

• Mercury
• Venus
• Earth
• Mars

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Mercury

• Closest planet to the Sun.
• Orbits the Sun in only 88 days!

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Venus

• The brightest object in the sky next to the Sun
  and Moon.
• Orbits the Sun in 225 days.

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Earth

• Our home.
• The densest planet.
• Orbits the Sun in 365 days.
• Has a large supply of unfrozen water.

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Earths Moon

• The only natural satellite of Earth.
• Second brightest object in the sky, after the
  Sun.
• The Moons gravity is the main cause of our tides.

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Mars

• Orbits the Sun in 687 days.
• Sometimes referred to as the Red Planet.
• Has the largest mountain in the solar system -
  78,000 feet.

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Asteroid Belt

• Most of them are located in a belt between Mars
  and Jupiter.
• The total mass of all known asteroids is less
  than that of the Moon.

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Gas Giant Planets

• Jupiter
• Saturn
• Uranus
• Neptune

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Jupiter

• Largest planet in our solar system.
• More than twice as big as all of the other
  planets combined.
• Takes 4,333 days to orbit the Sun.
• Made of 90 hydrogen and 10 helium.

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Saturn

• Takes 10,760 days to orbit the Sun.
• Sixth planet from the Sun.
• 2nd largest planet.
• Least dense of the planets.
• Its made of gases -hydrogen and helium.

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Uranus

• Takes 30,685 days to orbit the Sun.
• Spins sideways.
• Made of rock, ice, hydrogen, and helium.

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Neptune

• Takes 60,190 days to orbit the Sun.
• 4th largest planet.
• Made of ice, rock, hydrogen, and helium.

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Pluto (Dwarf Planet)

• Smaller than 7 of the solar systems moons.
• Sometimes crosses the orbit of Neptune, making
  Neptune the most distant planet from the Sun for
  a few years.
• Takes 90,550 days to orbit the Sun.

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Relative Sizes of Sun and Planets
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How to remember the planets

• My - Mercury
• Very - Venus
• Educated - Earth
• Mother - Mars
• Just - Jupiter
• Served -Saturn
• Us - Uranus
• Nine - Neptune
• Pizzas - Pluto

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And the yearning for learning goes on and on...