Top ten questions (all questions)

1. What's going to happen on December 21st 2012? (viewed 763060 times)
2. What color is each planet? (viewed 535671 times)
3. Is the Moon moving away from the Earth? When was this discovered? (viewed 362450 times)
4. How far is each planet from Earth? (viewed 332608 times)
5. How many stars are there in our Galaxy (Milky Way)? (viewed 288839 times)
6. At what speed does the earth move around the sun? (viewed 256962 times)
7. How do I build a model rocket? (viewed 239337 times)
8. What is the universe expanding into? (viewed 232543 times)
9. How do you measure the distance between Earth and the Sun? (viewed 229526 times)
10. What is the life cycle of a star? (viewed 217940 times)

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