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The Great Red Spot on ____ is a massive persistent windstorm.
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1. Mercury
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____ has 27 known moons and, like Neptune, a faint ring system.
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2. Venus
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____ has the shortest orbit. A year is just 88 Earth days.
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3. Earth
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Uranus and ____ appear blue due to methane in their atmospheres.
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4. Mars
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About 71% of ____ is covered by water.
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5. Jupiter
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____ has two small moons named Phobos and Deimos.
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6. Saturn
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Titan is the largest of the 146 known moons orbiting ____.
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7. Uranus
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____ is slightly smaller than Earth.
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8. Neptune
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