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 2118917 times)
  2. What color is each planet? (viewed 891138 times)
  3. At what speed does the earth move around the sun? (viewed 565323 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 544183 times)
  5. How far is each planet from Earth? (viewed 461041 times)
  6. When will Halley's Comet return? (viewed 412868 times)
  7. How many stars are there in our Galaxy (Milky Way)? (viewed 384160 times)
  8. How long does it take for the Sun's light to reach us? (viewed 382714 times)
  9. Why do the planets orbit the sun? (viewed 368987 times)
  10. What is the universe expanding into? (viewed 364404 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 331839 times)
  12. Which planets have rings? (viewed 319879 times)
  13. Why do stars twinkle? (viewed 313486 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 297249 times)
  15. How do I build a model rocket? (viewed 286277 times)
  16. What color is Venus? (viewed 270692 times)
  17. What is a white hole? (viewed 263804 times)
  18. Can you hear sounds in space? (viewed 245339 times)
  19. What is the life cycle of a star? (viewed 244009 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 235006 times)
  21. What makes the Earth rotate? (viewed 226223 times)
  22. What is that ring (or rainbow) around the moon? (viewed 225594 times)
  23. What are shooting stars? (viewed 223975 times)
  24. What is the largest star? (viewed 221041 times)
  25. What do astronauts eat in space? Can they grow food? (viewed 206078 times)
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