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 2123443 times)
  2. What color is each planet? (viewed 895325 times)
  3. At what speed does the earth move around the sun? (viewed 569768 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 549508 times)
  5. How far is each planet from Earth? (viewed 462746 times)
  6. When will Halley's Comet return? (viewed 416880 times)
  7. How many stars are there in our Galaxy (Milky Way)? (viewed 385311 times)
  8. How long does it take for the Sun's light to reach us? (viewed 384571 times)
  9. Why do the planets orbit the sun? (viewed 371233 times)
  10. What is the universe expanding into? (viewed 366408 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 334150 times)
  12. Which planets have rings? (viewed 320691 times)
  13. Why do stars twinkle? (viewed 315148 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 298188 times)
  15. How do I build a model rocket? (viewed 287453 times)
  16. What color is Venus? (viewed 271340 times)
  17. What is a white hole? (viewed 265060 times)
  18. Can you hear sounds in space? (viewed 251004 times)
  19. What is the life cycle of a star? (viewed 244658 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 236075 times)
  21. What makes the Earth rotate? (viewed 228099 times)
  22. What is that ring (or rainbow) around the moon? (viewed 227257 times)
  23. What are shooting stars? (viewed 226178 times)
  24. What is the largest star? (viewed 221305 times)
  25. What do astronauts eat in space? Can they grow food? (viewed 207190 times)
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