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Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
Solar system
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Solar system

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Solar System PPT. …

Solar System PPT.
By: Yoyo Yu
Science 8C

Published in: Technology
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  • What two elements can be found in the atmosphere? What is retrograde rotation? Why is a day on Venus longer than a year on Venus? If you were standing on Venus, why would the Sun appear to rise in the west and set in the east? Why is Venus the hottest planet in our solar system?
  • What elements make up our atmosphere? What two things does our atmosphere protect us from? What is the rotational tilt of the Earth? What produces the magnetic field on earth? What is the satellite of the Earth?
  • What evidence do scientists have to life on Mars? What is the primary element of the atmosphere? Why does the planet appear to be red? What is Olympus Mons? What are the two satellites of Mars?
  • How is the shape of Jupiter affected by the planets rotation? What elements make up Jupiter’s atmosphere? What is the Giant Red Spot? How many know natural satellites does Jupiter have? What is interesting about Jupiter’s satellite Io?
  • What elements make up Saturn’s atmosphere? What may have caused Saturn to have rings? What is the composition of the rings? Why could Saturn float in water? How long do the seasons last on Saturn
  • What is different about Uranus’s rotation? What elements make up Uranus’s atmosphere? How many known satellites does Uranus have
  • What elements make up Neptune’s atmosphere? How many known satellites does Uranus [Neptune?] have? What is Triton? Explain how astronomers believe Triton became a satellite.
  • What are the names of Pluto’s three moons? What have scientists learned about Pluto by using a spectroscope? What is so unusual about Pluto’s moon Charon?
  • How long is one revolution? Why was Ceres once considered an asteroid? What can be found on Ceres’ surface?
  • What was Eris’ original name? How long does it take Eris to orbit the sun? What is the name of Eris’ moon? Why is Eris not considered to be a planet?
  • Transcript

    • 1. Solar System By Yoyo Yu Science 8C
    • 2. General Information <ul><li>Rotation: when an object spins once on its axis </li></ul><ul><li>Revolve: when a smaller object goes around a larger object once </li></ul><ul><li>There are 8 planets (inner and outer, but not dwarf) </li></ul><ul><li>Mercury, Venus, Earth, and Mars are the inner planets </li></ul><ul><li>Jupiter, Saturn, Uranus, and Neptune are outer planets </li></ul><ul><li>Inner planets are solid spheres of rocks, as they were continuously hit by the asteroids and meteorites for the first 600 million years </li></ul><ul><li>Outer planets are huge gaseous spheres, and with rings. </li></ul><ul><li>Orbit: the pathway that a planet goes on </li></ul><ul><li>The 3 requirements to be considered as a planet are: 1) it must have an orbit that goes around the sun, 2) it must have enough mass to make itself sphere-like because of its gravity, 3) and has cleared its orbit around the sun </li></ul><ul><li>Dwarf planet: “planets” that met the first two requirements but failed the third one </li></ul><ul><li>Pluto, Ceres, and Eris are examples of dwarf planets </li></ul>
    • 3. Inner Planets
    • 4. Mercury <ul><li>Mercury’s atmosphere is caused by the short distance from the sun </li></ul><ul><li>Mercury’s atmosphere is consisted of helium and sodium </li></ul><ul><li>Mercury’s surface was shaped by three processes: 1) impact cratering, when large objects from space collided with Mercury 2) volcanism, where lava had covered the surface, 3) tectonic activity, where Mercury’s crust moved in order to adapt to the planet’s cooling and contraction.  </li></ul>
    • 5. Venus <ul><li>Venus is also referred as the “Evening Star” because it is the brightest planet that can be seen from earth during nighttime </li></ul><ul><li>Two elements that can be found in Venus’s atmosphere are carbon dioxide and sulfuric acid </li></ul><ul><li>Retrograde rotation is when a planet rotates clockwise, which is a characteristic that only Venus have </li></ul><ul><li>Venus rotation takes 243 days, while its revolution is 225 days </li></ul><ul><li>The sun would appear to rise in the west and set in the east is because of its clockwise rotation </li></ul><ul><li>Venus is the hottest planet in the solar system is because of the ongoing volcanic activity which had provided the sulfuric acid for the atmosphere </li></ul>
    • 6. Earth <ul><li>The elements that make up Earth’s atmosphere are nitrogen, oxygen, argon,  water vapor, carbon dioxide, neon, methane, krypton, helium, xenon, hydrogen, nitrous oxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, and ozone. </li></ul><ul><li>The atmosphere protects us by absorbing solar radiation before it reaches Earth, and meteor collision </li></ul><ul><li>Earth’s rotational tilt is 23.5 degrees </li></ul><ul><li>The liquid metallic core of earth causes the magnetic field on Earth </li></ul><ul><li>The nature occurring satellite of Earth is the Moon </li></ul>
    • 7. Mars <ul><li>Meteorites that hit Mars had ancient bacteria </li></ul><ul><li>The primary element of Mar’s atmosphere is carbon dioxide </li></ul><ul><li>Mars appear red because its soil contained iron-laden clay </li></ul><ul><li>Olympus Mons is one of largest volcanoes in the solar system: 60 km wide and 26 km high </li></ul><ul><li>Mars’s two satellites are Phobos and Deimos. </li></ul>
    • 8. Outer Planets
    • 9. Jupiter <ul><li>Due to the fast rotation of Jupiter, the planet’s poles are flattened and bulge in the equator </li></ul><ul><li>The elements that make up Jupiter’s atmosphere are hydrogen, helium, sulfur, and nitrogen. </li></ul><ul><li>The Giant Red Spot is a hurricane-like storm </li></ul><ul><li>Jupiter have 50 named satellites </li></ul><ul><li>Jupiter’s satellite, Io, is volcanically active, and have the highest temperature than any body in the solar system (except the sun) </li></ul>
    • 10. Saturn <ul><li>Saturn’s atmosphere was made out of hydrogen and helium </li></ul><ul><li>Astronomers have a theory that Saturn’s ring is composed of the particles of natural occurring satellites that had been broke down </li></ul><ul><li>The ring is composed of water ice and dust </li></ul><ul><li>Saturn has a very low density (lower than any planet in the solar system) that allows it to flow on water </li></ul>
    • 11. Uranus <ul><li>Uranus’s rotation was different because of it’s 98 degrees tilt, so to us it looks like Uranus is rotating on its side </li></ul><ul><li>Uranus’s atmosphere is made out of hydrogen, helium, and methane </li></ul><ul><li>Uranus has 27 known satellites </li></ul>
    • 12. Neptune <ul><li>Neptune’s atmosphere is made out of ammonia, helium, and methane. </li></ul><ul><li>Neptune has thirteen known satellites, four are within its ring. </li></ul><ul><li>Triton is Neptune’s biggest satellite, and astronomer believed that it wasn’t originally Neptune’s satellite. Astronomers believe that Triton became Neptune’s satellite due to Neptune’s gravitational pull. </li></ul>
    • 13. Dwarf Planets
    • 14. Pluto <ul><li>Pluto’s three moons are Charon, Nix, and Hydra. </li></ul><ul><li>By using the spectroscope, scientists learned that Pluto has methane frost, and water frost on Charon. </li></ul><ul><li>Charon was unusual because of its size; it’s half the size of Pluto. </li></ul>
    • 15. Ceres <ul><li>It takes around 4.6 Earth years for Ceres’s revolution around the sun </li></ul><ul><li>Ceres was once considered as an asteroid because it’s orbit is within the Asteroid Belt </li></ul><ul><li>Scientists found a liquid water layer on Ceres’s interior </li></ul>
    • 16. Eris <ul><li>Before it had Eris as its official name, Eris was nicknamed Xena </li></ul><ul><li>It would take 557 Earth years for Eris to revolve around the sun </li></ul><ul><li>Eris’s moon is named Dysnomia </li></ul><ul><li>Eris is not considered to be a planet because it did not clear out its orbit </li></ul>

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