____ has a spectacular ring system containing some of its moons.
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1. Mercury
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____ (the largest planet) and Saturn are gas giants.
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2. Venus
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____ has an atmosphere of 78% nitrogen and 21% oxygen.
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3. Earth
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____ rotates so slowly that a day is longer than its year.
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4. Mars
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____ has two small moons named Phobos and Deimos.
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5. Jupiter
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____ and Neptune are about four times larger than the Earth.
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6. Saturn
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Triton is the largest of the 16 known moons orbiting ____.
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7. Uranus
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____ has extreme temperatures (800°F day vs -330°F night).
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8. Neptune
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