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____ has a huge dormant volcano named Olympus Mons.
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1. Mercury
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About 71% of ____ is covered by water.
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2. Venus
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The Sun rises in the West on ____, due to retrograde rotation.
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3. Earth
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____ (the largest planet) and Saturn are gas giants.
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4. Mars
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Uranus and ____ appear blue due to methane in their atmospheres.
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5. Jupiter
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____ has 28 known moons and, like Neptune, a faint ring system.
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6. Saturn
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____ and Venus are the only planets with no moons.
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7. Uranus
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Titan is the largest of the 285 known moons orbiting ____.
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8. Neptune
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