Top ten questions (all questions)

1. What's going to happen on December 21st 2012? (viewed 2055747 times)
2. What color is each planet? (viewed 733218 times)
3. Is the Moon moving away from the Earth? When was this discovered? (viewed 451125 times)
4. At what speed does the earth move around the sun? (viewed 419923 times)
5. How far is each planet from Earth? (viewed 401992 times)
6. How many stars are there in our Galaxy (Milky Way)? (viewed 348932 times)
7. What is the universe expanding into? (viewed 313827 times)
8. Why do the planets orbit the sun? (viewed 295627 times)
9. How long does it take for the Sun's light to reach us? (viewed 290127 times)
10. Which planets have rings? (viewed 289111 times)

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