1. Student Astronomical Society First Meeting!!!!! Wednesday, September 14 7:00 PM 5 th Floor of the Physics Building There will be refreshments!!! Student Astronomical Society First Meeting!!!!! Wednesday, September 14 Wednesday, September 14 Wednesday, September 14 7:00 PM 5 th Floor of the Physics Building There will be refreshments!!! 7:00 PM 5 th Floor of the Physics Building There will be refreshments!!! 7:00 PM 5 th Floor of the Physics Building There will be refreshments!!!

2. Astronomy 1010 Introduction to Astronomy Lecture 10

3. Why does the moons appearance change?

5. The Phases of the Moon From Earth, we see different portions of the Moon’s surface lit by the sun, causing the phases of the moon.

6. U.S. Naval Observatory Astronomical Applications Department Sun or Moon Rise/Set Table for One Year Sky Gazer Program – Explore, Phases of the Planets, Phases of the Moon Moon Phases http://www.valdosta.edu/~cbarnbau / astro_demos/frameset_moon.html

7. The Phases of the Moon Evening Sky

8. The Phases of the Moon Morning Sky

11. Is there a dark side to the moon? Earth exerts tidal forces on the moon’s rocky interior -> It is rotating with the same period around its axis as it is orbiting Earth (tidally locked) -> We always see the same side of the moon facing Earth

16. The size of the moon

17. Lunar motions Inclination of the Moons orbit 5 o Ecliptic plane Moon ’ s Orbital Plane

18. Libration http://upload.wikimedia.org/wikipedia/commons/c/c0/Lunar_libration_with_phase2.gif

20. Earthrise from lunar orbit, Apollo 8 Earth rising, from Japan’s Kaguya spacecraft

21. Eclipses