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Sample-return mission wikipedia , lookup
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Use the section on the planets to answer the following questions. 1. From Earth, when can we see Mercury?_________________ 2. Which planet is the hottest?_______________________ 3. Is Venus or Mars the planet closest in size to the Earth? ________________ 4. Is Earth the densest planet in our Solar System? _______________ 5. Is there any water on the surface of Mars? __________________ 6. Does Jupiter have any orbiting rings? _______________ 7. Saturn is about 95 times more massive than the Earth. Would a person weigh 95 times more there than on Earth?_______________________ 8. Unlike other planets, Uranus rotates on its side. Does this give Uranus strong seasons or permanently cold poles? _______________________ 9. Is Neptune a gas giant? ________________ 10. When was Pluto discovered? ______________________