1. The Sun – Earth - Moon System WELL, MOSTLY THE MOON

2. The Lunar Surface Earth’s Moon depression at the summit of a volcano or a depression produced by a meteorite impact.  Craters Most craters were produced by the impact of rapidly moving debris. Rays are any of a system of bright, elongated streaks, sometimes associated with a crater on the moon.

3. The Moon’s Surface Mare Tranquillitatus (Sea of Tranquility) Mare Imbrium (Sea of Rains) Kepler Crater Copernicus Crater

4. Formation of a Crater

5. The Lunar Surface Earth’s Moon Most of the lunar surface is made up of densely pitted, light-colored areas  Highlands ancient beds of basaltic lava originated when asteroids punctured the lunar surface letting magma bleed out  Maria a long channel associated with lunar maria looks similar to a valley or a trench  Rille

6. The Lunar Surface Earth’s Moon a thin, gray layer on the surface of the moon consisting of loosely compacted, fragmented material believed to have been formed by repeated impacts of meteorites  Regolith

7. Major Topographic Features of the Moon

8. Lunar History Earth’s Moon  The most widely accepted model for the origin of the moon when the solar system was forming a body the size of Mars impacted Earth  The resulting debris was ejected into space began orbiting around Earth eventually united to form the moon

9. Formation of Earth’s Moon