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____ reflects the most sunlight due to its thick cloud cover.
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1. Mercury
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____ has extreme temperatures (800°F day vs -330°F night).
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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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____ was the first planet discovered using a telescope (1781).
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4. Mars
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Titan is the largest of the 285 known moons orbiting ____.
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5. Jupiter
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____ has polar ice caps made of frozen water and CO2 (dry ice).
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6. Saturn
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The Great Red Spot on ____ is a massive persistent windstorm.
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7. Uranus
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Triton is the largest of the 16 known moons orbiting ____.
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8. Neptune
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