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 2103022 times)
  2. What color is each planet? (viewed 862277 times)
  3. At what speed does the earth move around the sun? (viewed 546326 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 525722 times)
  5. How far is each planet from Earth? (viewed 450796 times)
  6. When will Halley's Comet return? (viewed 392133 times)
  7. How many stars are there in our Galaxy (Milky Way)? (viewed 376958 times)
  8. How long does it take for the Sun's light to reach us? (viewed 371933 times)
  9. Why do the planets orbit the sun? (viewed 357170 times)
  10. What is the universe expanding into? (viewed 354862 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 322379 times)
  12. Which planets have rings? (viewed 315486 times)
  13. Why do stars twinkle? (viewed 303782 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 291954 times)
  15. How do I build a model rocket? (viewed 282401 times)
  16. What color is Venus? (viewed 266744 times)
  17. What is a white hole? (viewed 259051 times)
  18. What is the life cycle of a star? (viewed 241460 times)
  19. What are the names of the earth, moon, sun, and solar system? (viewed 229088 times)
  20. Can you hear sounds in space? (viewed 223774 times)
  21. What is the largest star? (viewed 219824 times)
  22. What is that ring (or rainbow) around the moon? (viewed 218709 times)
  23. What makes the Earth rotate? (viewed 217441 times)
  24. What are shooting stars? (viewed 216102 times)
  25. What do astronauts eat in space? Can they grow food? (viewed 198225 times)
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