Explore the fascinating geology and characteristics of the terrestrial planets in this 39-minute lecture. Delve into the Moon's unique features, including its maria, tectonic activity, and the intriguing differences between its near and far sides. Uncover the mysteries of Mercury's extreme day length, shrinking surface, and lost mantle. Examine Venus as Earth's sister planet, studying its surface, impact craters, volcanic activity, and erosion processes. Journey to Mars, the Red Planet, to investigate its surface features, volcanic history, tectonic activity, and the effects of wind and water erosion. Learn about recent discoveries from Mars rover missions, including Spirit and Opportunity, and gain insights into the planet's past and present conditions.