Questions for Review


1			How do Jupiter's mass and radius compare with the Earth's? How do they compare with those of the other outer planets?




2			What does Jupiter look like?




3			How do astronomers know what lies inside the outer planets?




4			What are the major gaseous substances that make up Jupiter and Saturn?




5			What is the interior structure of Jupiter and Saturn thought to be?




6			Do Jupiter and Saturn have solid surfaces?




7			What are Jupiter's internal heat sources?




8			What sorts of atmospheric motion and activity are observed in Jupiter? What is the Great Red Spot?




9			What sort of activity has been seen on Io? What is Io's heat source thought to be?




10			What are the rings of Saturn made of? How do astronomers know this?




11			What creates the gaps between the rings?




12			How might the rings have formed?




13			What is the Roche limit? Why does such a limit exist?




14			What is unusual about Uranus's rotation axis? What might explain this peculiarity?




15			How do Uranus and Neptune differ from Jupiter in their interiors?




16			Why are Uranus and Neptune so blue?




17			Why are the outer planets so large?




18			What are the satellites of the outer planets thought to be composed of? Which have atmospheres? What might be special about Europa?

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Explorations: An Introduction to Astronomy (Arny), 7th Edition

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