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 2142734 times)
  2. What color is each planet? (viewed 934367 times)
  3. At what speed does the earth move around the sun? (viewed 603222 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 581834 times)
  5. How far is each planet from Earth? (viewed 480485 times)
  6. When will Halley's Comet return? (viewed 434610 times)
  7. How long does it take for the Sun's light to reach us? (viewed 398779 times)
  8. How many stars are there in our Galaxy (Milky Way)? (viewed 392458 times)
  9. Why do the planets orbit the sun? (viewed 392192 times)
  10. What is the universe expanding into? (viewed 377412 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 352045 times)
  12. Which planets have rings? (viewed 325676 times)
  13. Why do stars twinkle? (viewed 324917 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 307610 times)
  15. How do I build a model rocket? (viewed 293417 times)
  16. Can you hear sounds in space? (viewed 289643 times)
  17. What color is Venus? (viewed 276850 times)
  18. What is a white hole? (viewed 271081 times)
  19. What are the different kinds of astronomers? (viewed 253862 times)
  20. What is the life cycle of a star? (viewed 248010 times)
  21. What is that ring (or rainbow) around the moon? (viewed 243311 times)
  22. What are the names of the earth, moon, sun, and solar system? (viewed 243199 times)
  23. What makes the Earth rotate? (viewed 239405 times)
  24. What are shooting stars? (viewed 234628 times)
  25. What is the largest star? (viewed 222827 times)
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