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Transcript
18.2 Saturn 7. Compared to the Earth, how far is Saturn away from the Sun? 8. How long is a year on Saturn? 9. What is Saturnâs average density? Would Saturn float in water? 10. What is Saturnâs albedo? How does that compare to Earthâs? 11. What is a planetâs oblateness? How does this help scientists to determine the likely composition of a planet? The Rings of Saturn 12. What are the rings of Saturn made of? 13. What is a shepherd satellite? 14. What explanation does the text give for the hypothesis that Saturnâs rings are not left over material from the formation of Saturn. The Moons of Saturn 15. About how many moons does Saturn have? 16. Which is the largest of Saturnâs moons? 17. What does Saturnâs largest moonâs density suggest? 18. What is the basic chemical makeup of Titanâs atmosphere? 19. How can such a small body as Titan hold a substantial atmosphere? 20. What is an organic molecule? Are organic molecules always produced by living things? 21. What is the surface temperature of Titan? 22. What are the two other moons of Saturn named in the text?
