1. How many science instruments are equipped on Cassini to use in its study of Saturn? 4 10 12 16
2. In what year did Cassini-Huygens launch from Cape Canaveral, Fla.? 1995 1998 2000 1997
3. Which planet did the Cassini spacecraft not fly by on its way to Saturn? Venus Mercury Jupiter Earth
4. When did the Cassini spacecraft enter Saturn's orbit? December 2003 June 2004 October 2004 January 2005
5. Which is not one of Saturn's many moons? Rhea Titan Oz Iapetus
6. Jean-Dominique Cassini, for whom the Cassini spacecraft is named, discovered all but one of the following Saturnian moons. Which did he not discover? Tethys Iapetus Titan Rhea
7. Which moon's surface is the Huygens probe currently exploring? Tethys Iapetus Enceladus Titan
9. Which astronomer discovered Saturn's rings? Galileo Jean-Dominique Cassini Christiaan Huygens James E. Keeler
10. Which space agency is not a main partner in the Cassini-Huygens mission? Chinese Space Agency (CSA) NASA European Space Agency (ESA) Italian Space Agency (ASI)