Week 9 Discussion Questions

• Review the interactive titled “Our Solar System” located at http://solarsystem.nasa.gov/planets/index.cfm. Be prepared to discuss.
• Explore NASA's Missions Website located at http://www.nasa.gov/missions/index.html. Be prepared to discuss.

Question 1: From the first e-Activity, pick two planets from our solar system. Compare and contrast the two planets in terms of composition, location, environment, and potential to harbor life.

Question 2:Describe the cause and occurrence of the aurora borealis. Explain why this phenomenon is confined to the high northern latitudes and what influences the color of the aurora.