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Our Solar System

Our Solar System. Our Solar System. Our solar system is made up of: The Sun, our star Eight planets and their moons Asteroid Belt Kuiper Belt Dwarf Planets, Meteors, and Comets. Inner Planets. The inner four rocky planets closest to the sun are called the Terrestrial Planets Mercury

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Our Solar System

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  1. Our Solar System

  2. Our Solar System Our solar system is made up of: • The Sun, our star • Eight planets and their moons • Asteroid Belt • Kuiper Belt • Dwarf Planets, Meteors, and Comets

  3. Inner Planets The inner four rocky planets closest to the sun are called the Terrestrial Planets • Mercury • Venus • Earth • Mars

  4. Mercury • Planet nearest the sun • Smallest planet • Has no moons or rings • About size of Earth’s moon

  5. Venus • Sister planet to Earth • Has no moons or rings • Hot, thick atmosphere • Brightest object in sky besides sun and moon (looks like bright star)

  6. Earth • Third planet from sun • Only planet known to have life and liquid water (resource necessary to support life) • Atmosphere composed of Nitrogen (78%), Oxygen (21%), and other gases (1%).

  7. Mars • Fourth planet from sun • Appears as bright reddish color in the night sky • Surface features volcanoes and huge dust storms • Has 2 moons: Phobos and Deimos

  8. Outer Planets The outer planets are called Gas Giants or Jovian planets: • Jupiter • Saturn • Uranus • Neptune

  9. Jupiter • Largest planet in solar system • Strong magnetic field • Giant red spot • Rings have 3 parts: Halo Ring, Main Ring, Gossamer Ring

  10. Saturn • 6th planet from sun • Beautiful set of rings • Largest moon, Titan • Easily visible in the night sky

  11. Uranus • 7th planet from sun • Has a faint ring system • Covered with clouds • Uranus spins on a horizontal axis

  12. Neptune • 8th planet from sun • Discovered through math • Triton largest moon • Great Dark Spot thought to be a hole, similar to the hole in the ozone layer on Earth

  13. Asteroids • Chunks of rock and metal that orbit around the Sun; Scientists think that they are loose material that never formed into planets. • The Main Asteroid Belt is located between Mars and Jupiter. • The total mass of all the asteroids combined is less than that of the moon. • There are 26 known asteroids larger than 200 km across • We probably know 99% of the asteroids larger than 100 km across. • Scientists still don’t know much about the smaller ones (1 km across)

  14. Comets • Small icy bodies • Give off gas and dust as they revolve around the sun in elliptical orbits

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