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 2118373 times)
  2. What color is each planet? (viewed 890651 times)
  3. At what speed does the earth move around the sun? (viewed 564894 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 543703 times)
  5. How far is each planet from Earth? (viewed 460805 times)
  6. When will Halley's Comet return? (viewed 412428 times)
  7. How many stars are there in our Galaxy (Milky Way)? (viewed 384041 times)
  8. How long does it take for the Sun's light to reach us? (viewed 382509 times)
  9. Why do the planets orbit the sun? (viewed 368756 times)
  10. What is the universe expanding into? (viewed 364189 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 331605 times)
  12. Which planets have rings? (viewed 319804 times)
  13. Why do stars twinkle? (viewed 313312 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 297157 times)
  15. How do I build a model rocket? (viewed 286168 times)
  16. What color is Venus? (viewed 270620 times)
  17. What is a white hole? (viewed 263657 times)
  18. Can you hear sounds in space? (viewed 244707 times)
  19. What is the life cycle of a star? (viewed 243939 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 234882 times)
  21. What makes the Earth rotate? (viewed 226015 times)
  22. What is that ring (or rainbow) around the moon? (viewed 225449 times)
  23. What are shooting stars? (viewed 223753 times)
  24. What is the largest star? (viewed 221012 times)
  25. What do astronauts eat in space? Can they grow food? (viewed 205969 times)
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