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The Moon

The Moon. Formation. Surface Features: Geology. Surface Features – The Far Side. Surface Topography. Internal Structure. Liquid Iron. Iron. Lunar Atmosphere. Atmospheric Pressure: 3  × 10 −15 atm (.000000000000003 times smaller than the Earth’s) ~Nearly a Vacuum~

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The Moon

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  1. The Moon

  2. Formation

  3. Surface Features: Geology

  4. Surface Features – The Far Side

  5. Surface Topography

  6. Internal Structure Liquid Iron Iron

  7. Lunar Atmosphere Atmospheric Pressure: 3 × 10−15atm(.000000000000003 times smaller than the Earth’s) ~Nearly a Vacuum~ Sources of atmosphere come from • Sputtering: bombardment of solar winds ions that release atoms of Sodium and Potassium • Outgassing: Argon – 40, Polonium – 210, and Radon - 222 released during radioactive decay in the crust and mantle • Capture: of Helium – 4 from the solar wind

  8. Exploration

  9. The Apollo Mission

  10. Lunar landing Sites

  11. LRO

  12. Liquid Water???

  13. Lunar Orbit and Spin Rate

  14. The Sun Earth Moon System

  15. Phases of the Moon Phases of the Moon Simulator: http://astro.unl.edu/naap/lps/animations/lps.html Phases Image: • http://www.moonconnection.com/moon_phases.phtml • Libration simulation: http://en.wikipedia.org/wiki/File:Lunar_libration_with_phase_Oct_2007_450px.gif

  16. Earthshine

  17. What time does the moon at a particular phase rise and set?

  18. Lets do the Moon Dance: A kinesthetic approach to learning the times that the phases of the moon rise, set and are highest in the sky. • Rules • Your right hand is the sun • Your left hand is the Moon • To your left is East • To your right is West • The angle between the SUN – EARTH – MOON system must stay constant for a given lunar phase.

  19. Eclipses Solar and Lunar eclipse interactive applet: • http://highered.mcgraw-hill.com/olcweb/cgi/pluginpop.cgi?it=swf::800::600::/sites/dl/free/0072482621/78778/Eclipses_Nav.swf::Eclipse%20Interactive

  20. Tides Bay of Fundy: High Tide Bay of Fundy: Low Tide

  21. Tides Gravitational Tides: http://burro.astr.cwru.edu/Academics/Astr221/Gravity/tides.html Tidal Attractions: Reading http://burro.astr.cwru.edu/Academics/Astr221/SolarSys/earthmoon.html Tide Applet • http://www.cascaeducation.ca/CSA/CSA_Astro9/files/multimedia/unit3/tides/tides.html

  22. Which type of Tide has the greatest change in max and min levels?

  23. Tidal Effect of Phobos • http://burro.astr.cwru.edu/Academics/Astr221/Gravity/phobos.html

  24. In Summary • How does the position of the Sun Earth moon system affect • Tides • Eclipses • Phases of the Moon

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