1. Astronomy 100 Moon, Mercury Sorting the Solar System

2. Now: What’s are the differences between Earth and Jupiter? Groups: – Alex, Becky, Mitchel -- Sara, Hiroki, Zach – Igor, Carmen, Yukari -- Thomas, Mike Vocabulary: Terrestrial, Jovian, Gas, Mercury, Moon, Crater, Heavy Bombardment

3. http://nssdc.gsfc.nasa.gov/planetary/image/messenger_mercury_flyby2_1.jpg NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team http://asterweb.jpl.nasa.gov/gallery-detail.asp?name=Moon

4. http://messenger.jhuapl.edu/ Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

5. http://messenger.jhuapl.edu/ Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

6. http://messenger.jhuapl.edu/ Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

7. http://messenger.jhuapl.edu/ Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

8. Answer Now: Why do the Moon and Mercury have more craters than the Earth? What types of planets are there in our Solar System?