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09 uni 03
 

09 uni 03

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    09 uni 03 09 uni 03 Presentation Transcript

    • The Solar System
    • Think. Pair. Share. i) What are the names of the 8 planets in the Sol Solar System? (Hint: E J M M N S U V) ii) Order the planets according to their distance from the Sun. iii) How can you remember this order?
    • The Planets
      • A Planet:
      • Orbits a star, but is not a star itself.
      • Is spherical.
      • Is the biggest object in its orbital path.
    • The Planets
      • Inner planets
      • Mercury, Venus, Earth, and Mars.
      • Also called the terrestrial planets .
      • Relatively small, have solid cores and rocky crusts.
    • The Planets
      • Outer planets
      • Jupiter, Saturn, Uranus, and Neptune.
      • Also called the gas giants .
      • Large clumps of gas, ice and dust, cold temperatures.
    • Asteroid Belts Asteroids are chunks of rock and metal floating in space. There are 2 asteroid belts in our solar system: 1) Between Mars and Jupiter. 2) The Kuiper Belt on the edge of the solar system.
    •  
    • Pluto
      • Pluto is not a planet.
      • In 2006 Pluto was declared to be
      • a dwarf planet because:
      • a) It sometimes crosses Neptune’s orbit.
      • b) Does not have a clear orbit (other objects in its path).
      • c) Other objects in the Kuiper belt were discovered to be larger than Pluto.
    • Dwarf Planets Dwarf planets orbit the Sun and are spherical, but are not the largest objects in their orbits. - Pluto - Makemake - Haumea - Eris - Ceres