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The  Solar  System
The  Sun   <ul><li>Has a surface which is about  5500  o C (much cooler than the interior) </li></ul><ul><li>Has no solid ...
Major  Planets
Mercury <ul><li>Has sodium as the most abundant element </li></ul><ul><li>Is only 40% as large as Earth </li></ul><ul><li>...
Venus <ul><li>Rotates from east to west </li></ul><ul><li>Is about 500  o C day & night </li></ul><ul><li>Contains contine...
Earth <ul><li>Rocks and minerals –Solid materials that make up Earth </li></ul><ul><li>Pangea- “all the lands” (one contin...
Mars <ul><li>Fourth planet from the sun </li></ul><ul><li>Has a large volcano </li></ul><ul><li>Iron compounds –make Mars ...
Jupiter <ul><li>A near-star </li></ul><ul><li>Made of hydrogen and helium </li></ul><ul><li>No solid surface but has a sol...
Saturn <ul><li>The second largest planet in the Solar System </li></ul><ul><li>Rings- chunks of ice-covered rocks </li></u...
Uranus <ul><li>The first planet discovered in modern times </li></ul><ul><li>Four times larger than Earth </li></ul><ul><l...
Neptune <ul><li>Is a large, gaseous planet </li></ul><ul><li>Has an atmosphere containing methane </li></ul><ul><li>Has ri...
Pluto <ul><li>Is the smallest & most distant planet from the sun </li></ul><ul><li>Is about the same size as Earth’s moon ...
Asteroids <ul><li>Are small rocky objects </li></ul><ul><li>Means “star-like” </li></ul><ul><li>Asteroid belt- A million o...
Comets <ul><li>Consists of three basic parts: a nucleus, a coma, and a tail </li></ul><ul><li>Nucleus- Solid chunk of matt...
Meteors <ul><li>Many pieces of rock (size of a sand grain to tens of meters across) </li></ul><ul><li>Burning rocks or sho...
Conclusion <ul><li>The Solar Sysytem contains the sun, nine planets, and other objects such as comets </li></ul><ul><li>Al...
References <ul><li>The Raintree Illustrated Science Encyclopedia </li></ul><ul><li>www. Google.com </li></ul>
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ED105 Presentation

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The Solar System

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Transcript of "ED105 Presentation"

  1. 1. The Solar System
  2. 2. The Sun <ul><li>Has a surface which is about 5500 o C (much cooler than the interior) </li></ul><ul><li>Has no solid materials </li></ul><ul><li>Is made entirely of gas </li></ul>Our Star
  3. 3. Major Planets
  4. 4. Mercury <ul><li>Has sodium as the most abundant element </li></ul><ul><li>Is only 40% as large as Earth </li></ul><ul><li>Has a surface which is EXTREMELY hot (up to 425 o C) </li></ul><ul><li>Marioner 10- took the 1 st pictures of Mercury in 1974 </li></ul>The Planet of Craters
  5. 5. Venus <ul><li>Rotates from east to west </li></ul><ul><li>Is about 500 o C day & night </li></ul><ul><li>Contains continents while each continent is about the size of Australia </li></ul><ul><li>Has an acidic atmosphere </li></ul><ul><li>Has Gravity-100 times stronger than Earth </li></ul><ul><li>Pioneer Venus- 1 st to make a map of Venus through radio waves to penetrate the clouds </li></ul>The Planet of Clouds
  6. 6. Earth <ul><li>Rocks and minerals –Solid materials that make up Earth </li></ul><ul><li>Pangea- “all the lands” (one continent) </li></ul><ul><li>Atmosphere- a mixture of gases </li></ul><ul><li>Oxygen an d Silicon- Two most common elements in Earth’s crust </li></ul>
  7. 7. Mars <ul><li>Fourth planet from the sun </li></ul><ul><li>Has a large volcano </li></ul><ul><li>Iron compounds –make Mars reddish in color </li></ul><ul><li>Average temperature –lower than Earth </li></ul>The Red Planet
  8. 8. Jupiter <ul><li>A near-star </li></ul><ul><li>Made of hydrogen and helium </li></ul><ul><li>No solid surface but has a solid core </li></ul><ul><li>Has two moons </li></ul><ul><li>The Great Red Spot- lasted for 300 yrs. & as big as 2 Earth’s diameter </li></ul>The Giant Planet
  9. 9. Saturn <ul><li>The second largest planet in the Solar System </li></ul><ul><li>Rings- chunks of ice-covered rocks </li></ul><ul><li>Gives off more energy than they receive due to its internal heat </li></ul><ul><li>Has large nine moons and many smaller ones </li></ul>The Ringed Planet
  10. 10. Uranus <ul><li>The first planet discovered in modern times </li></ul><ul><li>Four times larger than Earth </li></ul><ul><li>Has five moons </li></ul><ul><li>Atmosphere- Hydrogen & methane </li></ul><ul><li>Nine distinct rings & two faint rings </li></ul>
  11. 11. Neptune <ul><li>Is a large, gaseous planet </li></ul><ul><li>Has an atmosphere containing methane </li></ul><ul><li>Has rings that do not completely surround Neptune </li></ul><ul><li>Has two moons </li></ul>
  12. 12. Pluto <ul><li>Is the smallest & most distant planet from the sun </li></ul><ul><li>Is about the same size as Earth’s moon </li></ul><ul><li>Has the longest orbit </li></ul><ul><li>Takes about 250 years to travel around the sun </li></ul><ul><li>Has a longer orbit than Neptune but narrower so it crosses inside Neptune’s orbit for a period of 40 years Which makes Neptune the farthest planet from the Sun within those 40 yrs. </li></ul>
  13. 13. Asteroids <ul><li>Are small rocky objects </li></ul><ul><li>Means “star-like” </li></ul><ul><li>Asteroid belt- A million or so asteroids larger than a kilometer </li></ul>
  14. 14. Comets <ul><li>Consists of three basic parts: a nucleus, a coma, and a tail </li></ul><ul><li>Nucleus- Solid chunk of matter at the center of the comet </li></ul><ul><li>Coma- Cloud of vapor </li></ul><ul><li>Tail- Made of dust released from a comet’s outer layer of ice as the ice evaporates </li></ul>
  15. 15. Meteors <ul><li>Many pieces of rock (size of a sand grain to tens of meters across) </li></ul><ul><li>Burning rocks or shooting stars </li></ul>
  16. 16. Conclusion <ul><li>The Solar Sysytem contains the sun, nine planets, and other objects such as comets </li></ul><ul><li>All the planets revolve around the Sun in an orbit which is an ellipse </li></ul><ul><li>All the moons revolve around its respective planets </li></ul>
  17. 17. References <ul><li>The Raintree Illustrated Science Encyclopedia </li></ul><ul><li>www. Google.com </li></ul>
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