2. Essay: The above picture displays an alluvial fan-like structure. What planet is it found on, and how was it formed? Give evidence for your argument.

3. Our knowledge of the solar system is changing

4. Space travel is changing

5. Our knowledge of Mars is changing

6. Water on Mars

9. Deformation Bands of Mars and Earth (precursors of faults) "This study provides a picture of not just surface water erosion, but true groundwater effects widely distributed over the planet," said Suzanne Smrekar, deputy project scientist.

10. Martian pack ice (a) Earth’s Antarctica (b) Counting of craters indicates Martian pole melted 20 million years ago. Liquid water once existed on the surface of Mars.

12. Martian Winds

17. Hebes Chasma: Grand Canyon of Mars

24. Martian Avalanche