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Solar system
 

Solar system

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    Solar system Solar system Presentation Transcript

    • Earth Science An overview of the Solar System
    • The Sun
      • The sun is the biggest, brightest, and hottest object in the solar system.
      • The sun is an ordinary star.
      • The sun is made of about 70% hydrogen and 28% helium.
    • Mercury
      • Mercury is solid and is covered with craters.
      • Mercury has almost no atmosphere.
      • Mercury is the eighth largest planet.
    • Venus
      • Venus is the sixth largest planet. It’s about three-fourths the size of earth.
      • The surface is rocky and very hot. The atmosphere completely hides the surface and traps the heat.
    • Earth
      • Earth is the fifth largest planet and the third from the sun.
      • Liquid covers 71 percent of the Earth’s surface.
      • The Earth has one moon.
    • Moon
    • Mars
      • Mars is the fourth planet from the sun.
      • Mars has a thin atmosphere that contains mostly carbon dioxide.
      • Mars has two small moons.
    • Moons of Mars
      • Phobos
      • Deimos
    • Jupiter
    • Jupiter’s Red Spot
      • The Great Red Spot, a huge storm of swirling gas that has lasted for hundreds of years.
      • Jupiter does not have a solid surface. The planet is a ball of liquid surrounded by gas.
    • Moons of Jupiter
      • Jupiter has four large Galilean moons, twelve smaller named moons and twenty-three more recently discovered but not named moons.
      • We’ll take a look at the four large Galilean moons which were first observed by Galileo in 1610.
    • Io
        • Io is the fifth moon of Jupiter. It’s the third largest of Jupiter’s moons.
        • Io has hundreds of volcanic calderas. Some of the volcanoes are active.
    • Europa
      • Europa is the sixth of Jupiter’s moons and is the fourth largest.
      • It is slightly smaller than the Earth’s moon.
      • The surface strongly resembles images of sea ice on Earth. There may be a liquid water sea under the crust.
      • Europa is one of the five known moons in the solar system to have an atmosphere.
    • Ganymede
      • Ganymede is the seventh and largest of Jupiter’s known satellites.
      • Ganymede has extensive cratering and an icy crust.
    • Callisto
      • Callisto is the eighth of Jupiter’s known satellites and the second largest.
      • Callisto has the oldest, most cratered surface of any body yet observed in the solar system.
    • Saturn
      • Saturn is the second largest planet and the sixth from the sun.
      • Saturn is made of materials that are lighter than water. If you could fit Saturn in a lake, it would float!
    • Rings of Saturn
      • Saturn’s rings are not solid; they are composed of small countless particles.
      • The rings are very thin. Though they’re 250,000km or more in diameter, they’re less than one kilometer thick.
    • Uranus
      • Uranus is the third largest planet and the seventh from the sun.
      • Uranus is one of the giant gas planets.
      • Uranus is blue-green because of the methane in its atmosphere.
    • Neptune
      • Neptune is the fourth largest planet and the eight from the sun.
      • Because of the orbits, from 1979 to 1999, Neptune was the ninth planet.
      • Like Uranus, the methane gives Neptune its color.
    • Pluto
      • Pluto is the smallest planet and usually the farthest from the sun.
      • Pluto is the only planet that has not been visited by a spacecraft.