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Lecture 6

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earth and solar system

earth and solar system

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  • Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
  • Transcript

    • 1. Earth and Space
    • 2. Earth’s Vital Statistics Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 3. Locating Places on the Earth
      • Reference lines ( imaginary lines )
      • Equator – line that equally
      • divides the earth into upper
      • and lower hemispheres
      • Latitude –horizontal line drawn
      • with respect to the equator
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 4. Locating Places on the Earth
      • Reference lines ( imaginary lines )
      • Prime Meridian – line that equally
      • divides the earth into left and right
      • hemispheres
      • Longitude –vertical line drawn
      • with respect to the prime meridian
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 5. How to tell direction?
      • Example : Manila: 14 o N; 120 o E
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 6. Key Latitudes and Longitude Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 7. Earth’s Rotation
      • Counterclockwise
      • (East to West)
      • Results to day and
      • night
      • One complete
      • rotation = 24 hours
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 8. Standard Time Zone
      • Divides the globe into 24 time zones
      • 180 o WEST and EAST of the prime meridian (0 o )
      • Each time zone covers 15 o longitudes a
      • 1 time zone = 1 hour
      • Important consideration : West or East
      • Example
      • Manila: 120 o East
    • 9. Standard Time Zone http://www.mapsofworld.com/time-zone-map/maps/world-time-zone.jpg
    • 10. Standard Time Zone
      • International date line
      • Passing thorough this line
      • prompts addition/subtraction
      • of 24 hours
      • exactly opposite of the prime
      • meridian (0 o longitude)
      • @ 180 o )
      http://upload.wikimedia.org/wikipedia/commons/6/61/International_Date_Line.png
    • 11. Solar System
      • is composed of one star (Sun), planets and their natural satellites (moons), and other heavenly objects
      • they ALL revolve around the sun
      • Sun is the center of the solar system
    • 12. Solar System http://www.infoplease.com/spot/solar-system.html
    • 13. Sun
      • It is a star
      • The closest star
      • from the earth or
      • other objects in the
      • solar system
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 14. Energy of the sun
      • Comes from the fusion of Hydrogen gas to helium
      • Occurs in the sun’s core
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 15. Planets
      • IAU (Aug. 24, 2006) criteria:
      • The object must be in orbit around the sun
      • It must be the only object that “use” its orbit
      • Spherical in shape due to gravity
    • 16. Solar System http://www.infoplease.com/spot/solar-system.html
    • 17. Why was Pluto demoted?
      • IAU (Aug. 24, 2006) criteria:
      • The object must be in orbit around the sun
      • It must be the only object that use its orbit
      • Spherical in shape due to gravity
    • 18. Planetary Motions
      • Rotation on its axis
      • Revolution around the sun
    • 19. Revolution
      • One complete revolution around the sun = 1 year
      • Follows a track = railway = orbit
      • Each planet has their own orbit
    • 20. Earth’s Orbit
      • Gravity pull of the sun
      • Keeps the earth from
      • straying away from its
      • Orbit.
      • gravity vs. inertia
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 21. Earth’s Orbit
      • elliptical in shape
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 22. Moons in the solar system http://www.spacetoday.org/SolSys/Moons/MoonsSolSys.html Planet No. of Moons Mercury 0 Venus 0 Earth 1 Mars 2 Jupiter 62 Saturn 33 Uranus 27 Neptune 13
    • 23. Earth’s Moon
      • Rotates on its axis
      • No light of its own
      Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 24. Eclipses
      • When shadow of a heavenly body falls on another
      • Solar/Lunar eclipse
      • Partial/Total Eclipse
    • 25. Solar Eclipse Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 26. Solar Eclipse Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 27. Lunar Eclipse Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 28. Lunar Eclipse Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
    • 29. Other heavenly objects
      • Asteroids belt – found between Mars and Jupiter
      • Comets
      • Meteoroids
      • Meteor
      • Meteorite
    • 30. Beyond solar system
      • Solar system is part of the Milky way galaxy
      • Galaxy = billions of stars that move around through space as one unit
    • 31. Stars
      • Huge ball of flaming gas
      • Has a life cycle
      • constellations
      http://www.tepapa.govt.nz/space/Images/star_constellations3.gif
    • 32. References
      • Adams and Lambert. Earth Science: An Illustrated Guide To Science, 2006. NY: Chelsea House
      • Rabago, Lilia M., et al. Dynamic Science. 2003. QC: vibal Publishing House