1. Looking at the Geology of Planets and Moons in Our Solar System PSC 121 Follow-up to Activity “Exploring the Geology of Several Worlds from Space”

2. Atmospheres obscure surface features Earth Titan moon of Saturn Jupiter VenusUranus Mercury Tethys moon of Saturn Ganymede moon of Jupiter

3. Cratering is Evident on Many Bodies Mercury Callisto, moon of Jupiter Mars Tethys moon of Saturn Venus

4. Volcanoes occur on several planets and moons Olympus Mons Mars Galapagos Islands Earth Active volcano on Io, moon of Jupiter Venus

5. Some plains are volcanic in origin Mercury Mars Moon

6. There is evidence for water in the past on Mars

7. Some channel features are generated by flowing lava Venus Moon

8. Canyons exist on Earth and Mars Valles Marineris on Mars Grand Canyon on Earth

9. Wind generates unique features Venus Martian dunes Dune field on Earth Martian dust devil

10. Water can exist as ice Frost on Mars Ice rafts on Earth Ice floes on Europa Ice rimmed craters on Callisto Polar cap on Mars

11. What makes Earth unique is surface liquid water

12. Some features can be deceptive or whimsical Defrosted dunes on Mars Look like bushes! Angle of light can make features appear different; elevated region on Mars Heart shaped depression - Mars Happy face crater; Mars

13. Can you identify these features?

14. Dunes Ancient river valley Ice cap Craters River Volcanic craters