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 2137240 times)
  2. What color is each planet? (viewed 925711 times)
  3. At what speed does the earth move around the sun? (viewed 595001 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 573995 times)
  5. How far is each planet from Earth? (viewed 475455 times)
  6. When will Halley's Comet return? (viewed 430845 times)
  7. How long does it take for the Sun's light to reach us? (viewed 395194 times)
  8. How many stars are there in our Galaxy (Milky Way)? (viewed 390651 times)
  9. Why do the planets orbit the sun? (viewed 386580 times)
  10. What is the universe expanding into? (viewed 374274 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 347634 times)
  12. Which planets have rings? (viewed 324325 times)
  13. Why do stars twinkle? (viewed 322433 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 306360 times)
  15. How do I build a model rocket? (viewed 292214 times)
  16. Can you hear sounds in space? (viewed 278682 times)
  17. What color is Venus? (viewed 275532 times)
  18. What is a white hole? (viewed 269479 times)
  19. What is the life cycle of a star? (viewed 247103 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 241308 times)
  21. What is that ring (or rainbow) around the moon? (viewed 238434 times)
  22. What are the different kinds of astronomers? (viewed 237172 times)
  23. What makes the Earth rotate? (viewed 236317 times)
  24. What are shooting stars? (viewed 232144 times)
  25. What is the largest star? (viewed 222403 times)
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