Astronomy Planets!

By Liljayjay
  • 3000 BCE

    Mercury

    Discovered by Galileo Galilei in 1610.
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    It is the closest to the sun and still has ice on it.

  • Venus

    Discovered by Galileo Galilei in 1610 (after mars)
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    It rotates in the opposite dirrection then most of the planets in the solar system.

  • Mars

    Discovered by Galileo Galilei in 1610
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    It has the biggest Valcano in the solar system.

  • Jupiter

    Discovered by Galileo Galilei in 1610
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    JUpiter being the biggest in the solar system also has the shortest day about 9 Hours.

  • Saturn

    Discovered by Galileo Galilei in1610
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    This Planet itself has a lower desity than water.

  • Uranus

    Discovered by William Herschel
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    It has Rings and 27 Known Moons.

  • Neptune

    Discovered by Johann Galle in 1846
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    It is not visable from the naked eye unlike all the other planets.

  • Pluto

    Discovered by Clyde Tombaugh in 1930
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    Plutos Diamiter is about 1,447 Miles meaning it couldn't even make it from California to New York (2,914 Miles).