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 2131926 times)
  2. What color is each planet? (viewed 910985 times)
  3. At what speed does the earth move around the sun? (viewed 584231 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 563350 times)
  5. How far is each planet from Earth? (viewed 469056 times)
  6. When will Halley's Comet return? (viewed 424940 times)
  7. How long does it take for the Sun's light to reach us? (viewed 390139 times)
  8. How many stars are there in our Galaxy (Milky Way)? (viewed 388267 times)
  9. Why do the planets orbit the sun? (viewed 378905 times)
  10. What is the universe expanding into? (viewed 370653 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 341916 times)
  12. Which planets have rings? (viewed 322645 times)
  13. Why do stars twinkle? (viewed 319445 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 304922 times)
  15. How do I build a model rocket? (viewed 290506 times)
  16. What color is Venus? (viewed 273642 times)
  17. What is a white hole? (viewed 267404 times)
  18. Can you hear sounds in space? (viewed 262373 times)
  19. What is the life cycle of a star? (viewed 245982 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 238708 times)
  21. What is that ring (or rainbow) around the moon? (viewed 232961 times)
  22. What makes the Earth rotate? (viewed 232661 times)
  23. What are shooting stars? (viewed 229359 times)
  24. What is the largest star? (viewed 221888 times)
  25. What are the different kinds of astronomers? (viewed 217241 times)
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