ch 8 reading quiz
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| Which statement about planetary rings is not true? | Saturn's rings formed along with its moons 4.6 billion years ago.
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| Suppose you could float in space just a few meters above Saturn's rings. What would you see as you looked down on the rings? | countless icy particles, ranging in size from dust grains to large boulders
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| Which large jovian moon is thought to have been captured into its present orbit? | Triton
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| Which moon is considered likely to have a deep, subsurface ocean of liquid water? | Europa
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| The Huygens probe took numerous pictures as it descended to Titan's surface in 2005. What did the pictures show? | features or erosion, including what appeared to be dry river valleys and lakebeds
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| Which moon has a thick atmosphere made mostly of nitrogen? | Titan
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| Which statement about Io is true? | It is the most volcanically active body in our solar system.
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| Which of the following statements about the moons of the jovian planets is not true? | Most of the moons are large enough to be spherical in shape, but a few have the more potato-like shapes of asteroids.
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| How does the strength of Jupiter's magnetic field compare to that of Earth's magnetic field? | Jupiter's magnetic field is about 20,000 times as strong as Earth's.
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| What atmospheric constituent is responsible for the blue color of Uranus and Neptune? | methane
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| How do typical wind speeds in Jupiter's atmosphere compare to typical wind speeds on Earth? | They are much faster than hurricane winds on Earth.
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| Jupiter's colors come in part from its three layers of clouds. Which of the following is not the primary constituent of one of Jupiter's cloud layers? | clouds of sulfuric acid
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| Overall, Jupiter's composition is most like that of _________. | the sun
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| Which of the following statements comparing the jovian interiors is not thought to be true? | They all have the same exact set of internal layers, though these layers differ in size.
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| Which of the following is not a general characteristic of the four jovian planets in our solar system? | They are higher in average density than are the terrestrial planets.
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| Which of the following best describes the internal layering of Jupiter, from the center outward? | Core of rock, metal, and hydrogen compounds; thick layer of metallic hydrogen; layer of liquid hydrogen; layer of gaseous hydrogen; cloud layer
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