1. ASTR 1101-001 Spring 2008 Joel E. Tohline, Alumni Professor 247 Nicholson Hall [Slides from Lecture30]

2. Chapter 11: Terrestrial Planets Mercury –Heavily cratered (like the Earth’s moon) –Some evidence of lava flows and shrinkage of the planet’s crust –Generally considered a “dead” planet Venus Mars

5. Chapter 11: Terrestrial Planets Mercury –Heavily cratered (like the Earth’s moon) –Some evidence of lava flows and shrinkage of the planet’s crust –Generally considered a “dead” planet Venus Mars

9. Chapter 11: Terrestrial Planets Mercury –Heavily cratered (like the Earth’s moon) –Some evidence of lava flows and shrinkage of the planet’s crust –Generally considered a “dead” planet Venus Mars

11. Chapter 11: Terrestrial Planets Mercury –Heavily cratered (like the Earth’s moon) –Some evidence of lava flows and shrinkage of the planet’s crust –Generally considered a “dead” planet Venus Mars

12. Chapter 11: Terrestrial Planets Venus –Rotating very slowly…and backwards! –Atmosphere: Dense, hot, and corrosive! –Properties of atmosphere due to runaway “greenhouse” effect Venus Mars

13. Venus: Image of the surface of Venus obtained by radar imaging.

14. Venus: topographic map

15. Chapter 11: Terrestrial Planets Venus –Rotating very slowly…and backwards! –Atmosphere: Dense, hot, and corrosive! –Properties of atmosphere due to runaway “greenhouse” effect Venus Mars

16. Chapter 11: Terrestrial Planets Venus –Rotating very slowly…and backwards! –Atmosphere: Dense, hot, and corrosive! –Properties of atmosphere due to runaway “greenhouse” effect Venus Mars

17. Atmospheres of Earth & Venus

18. Venus: Ultraviolet image of Venus highlighting the Cloud layer structure.

19. Chapter 11: Terrestrial Planets Venus –Rotating very slowly…and backwards! –Atmosphere: Dense, hot, and corrosive! –Properties of atmosphere due to runaway “greenhouse” effect Venus Mars

20. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water

23. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water

26. Mars: topographic map www.google.com/mars www.google.com/mars

27. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water

28. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water

30. Mars: topographic map www.google.com/mars www.google.com/mars

31. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water

32. Mars: topographic map www.google.com/mars www.google.com/mars

34. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water

35. Mars: topographic map www.google.com/mars www.google.com/mars

36. Rover ‘Opportunity’: Landing Site

37. Rover ‘Opportunity’: Four+ years of travel

39. Rover ‘Opportunity’: View from edge of Victoria Crater

40. Chapter 11: Terrestrial Planets Mars –Surface imaged by spacecraft extremely well –Surface explored by spacecraft that have successfully soft-landed on surface Viking Lander (VL1 & VL2) Mars Pathfinder (MP) Exploration Rovers (Opportunity & Spirit) –Evidence for (subsurface) water