Rotating Question Curious About Astronomy? Ask an Astronomer

Top twenty-five questions (all questions)

  1. What's going to happen on December 21st 2012? (viewed 2101654 times)
  2. What color is each planet? (viewed 859150 times)
  3. At what speed does the earth move around the sun? (viewed 544153 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 523968 times)
  5. How far is each planet from Earth? (viewed 449863 times)
  6. When will Halley's Comet return? (viewed 388984 times)
  7. How many stars are there in our Galaxy (Milky Way)? (viewed 376021 times)
  8. How long does it take for the Sun's light to reach us? (viewed 369686 times)
  9. Why do the planets orbit the sun? (viewed 355941 times)
  10. What is the universe expanding into? (viewed 353791 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 321362 times)
  12. Which planets have rings? (viewed 314854 times)
  13. Why do stars twinkle? (viewed 302674 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 291367 times)
  15. How do I build a model rocket? (viewed 282097 times)
  16. What color is Venus? (viewed 266232 times)
  17. What is a white hole? (viewed 258521 times)
  18. What is the life cycle of a star? (viewed 241125 times)
  19. What are the names of the earth, moon, sun, and solar system? (viewed 228304 times)
  20. Can you hear sounds in space? (viewed 221885 times)
  21. What is the largest star? (viewed 219681 times)
  22. What is that ring (or rainbow) around the moon? (viewed 218265 times)
  23. What makes the Earth rotate? (viewed 216434 times)
  24. What are shooting stars? (viewed 214984 times)
  25. What do astronauts eat in space? Can they grow food? (viewed 197655 times)
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