ASTR 1101-001 Spring 2008 - PowerPoint PPT Presentation

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  1. ASTR 1101-001Spring 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

  3. 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

  4. 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

  6. 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

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

  8. Venus: topographic map

  9. 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

  10. 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

  11. Atmospheres of Earth & Venus

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

  13. 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

  14. 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

  15. 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

  16. Mars: topographic mapwww.google.com/mars

  17. 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

  18. 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

  19. Mars: topographic mapwww.google.com/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

  21. Mars: topographic mapwww.google.com/mars

  22. 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. Mars: topographic mapwww.google.com/mars

  24. Rover ‘Opportunity’: Landing Site

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

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

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

  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