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 2133793 times)
  2. What color is each planet? (viewed 915648 times)
  3. At what speed does the earth move around the sun? (viewed 587225 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 566272 times)
  5. How far is each planet from Earth? (viewed 470620 times)
  6. When will Halley's Comet return? (viewed 427298 times)
  7. How long does it take for the Sun's light to reach us? (viewed 391897 times)
  8. How many stars are there in our Galaxy (Milky Way)? (viewed 389042 times)
  9. Why do the planets orbit the sun? (viewed 381112 times)
  10. What is the universe expanding into? (viewed 371657 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 343549 times)
  12. Which planets have rings? (viewed 323146 times)
  13. Why do stars twinkle? (viewed 320411 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 305320 times)
  15. How do I build a model rocket? (viewed 291054 times)
  16. What color is Venus? (viewed 274287 times)
  17. Can you hear sounds in space? (viewed 268262 times)
  18. What is a white hole? (viewed 267948 times)
  19. What is the life cycle of a star? (viewed 246302 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 239534 times)
  21. What makes the Earth rotate? (viewed 233730 times)
  22. What is that ring (or rainbow) around the moon? (viewed 233407 times)
  23. What are shooting stars? (viewed 230168 times)
  24. What are the different kinds of astronomers? (viewed 224802 times)
  25. What is the largest star? (viewed 222027 times)
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