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The Big Bang

The Big Bang. Galaxies. The Solar System and Beyond. Solar sytem. Planets Satellites Asteroids Comets Meteors. Nine planets: Terrestrial, Giant, Pluto. Similarities Move in same revolution direction around sun Orbits move in elliptical path

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The Big Bang

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  1. The Big Bang

  2. Galaxies

  3. The Solar System and Beyond

  4. Solar sytem • Planets • Satellites • Asteroids • Comets • Meteors

  5. Nine planets: Terrestrial, Giant, Pluto • Similarities • Move in same revolution direction around sun • Orbits move in elliptical path • Each rotates on a rotational axis (same direction except for Venus and Uranus) • Ecliptic plane close to the Sun’s equator • All have gaseous atmosphere except Mercury and Pluto • Differences • Mass/Gravity • Revolution period • Temperatures/Distance from sun • Atmospheric composition

  6. The Sun • Less-than-average sized • 5500-6100° C (10,000-11,000° F) • Nuclear fusion of H into He • Earth only intercepts 1 two-billionth of the sun’s energy release

  7. The Planets

  8. The Earth in the Solar System

  9. Relative Distance

  10. Pale Blue Dot

  11. Movement of Earth • Galactic Movement (220 mY) • 560,000 mph • Revolution (365.25 days) • 33,000 mph • Perihelion (closest point) = 3 Jan • Aphelion (furthest point) = 4 Jul • Rotation (24 hours) • 880 mph @ 33° N

  12. Plane of the Ecliptic • Inclination of Earth’s rotational axis is 23½° • Parallelism: Earth’s rotational axis remains constant with relation to the stars • Polaris (North Star)

  13. The Seasons • Solstices and Equinoxes

  14. Lines Related to Earth Revolution • Arctic Circle (66.5° N) • Tropic of Cancer (23.5° N) • Equator (0°) • Tropic of Capricorn (23.5° S) • Antarctic Circle (66.5° S)

  15. Insolation and the Seasons

  16. Sunlight Incidence Angle

  17. Global Circulation Patterns

  18. Distribution Within Latitudinal Zones • ITCZ • Wet • STHP • Dry • Westerlies • Mid-latitude cyclone • Continentality • Gulf of Mexico • Poles • Dry

  19. Global Precipitation

  20. Global Precipitation Variability

  21. Global Climates

  22. Global Biomes

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