Astronomy 100

Moon, MercurySorting the Solar System

• 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

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

http://messenger.jhuapl.edu/

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

http://messenger.jhuapl.edu/

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

http://messenger.jhuapl.edu/

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

http://messenger.jhuapl.edu/

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

• Answer Now:

• Why do the Moon and Mercury have more craters than the Earth?

• What types of planets are there in our Solar System?