Top ten questions (all questions)

1. What color is each planet? (viewed 257577 times)
2. What's going to happen on December 21st 2012? (viewed 251133 times)
3. Is the Moon moving away from the Earth? When was this discovered? (viewed 237268 times)
4. How do I build a model rocket? (viewed 205630 times)
5. How far is each planet from Earth? (viewed 199835 times)
6. What is the life cycle of a star? (viewed 178037 times)
7. How do you measure the distance between Earth and the Sun? (viewed 162877 times)
8. What is the largest star? (viewed 159955 times)
9. How many stars are there in our Galaxy (Milky Way)? (viewed 152541 times)
10. What is a white hole? (viewed 145951 times)

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