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 2127264 times)
  2. What color is each planet? (viewed 900541 times)
  3. At what speed does the earth move around the sun? (viewed 575653 times)
  4. Is the Moon moving away from the Earth? When was this discovered? (viewed 554586 times)
  5. How far is each planet from Earth? (viewed 464616 times)
  6. When will Halley's Comet return? (viewed 419346 times)
  7. How many stars are there in our Galaxy (Milky Way)? (viewed 386665 times)
  8. How long does it take for the Sun's light to reach us? (viewed 386559 times)
  9. Why do the planets orbit the sun? (viewed 373672 times)
  10. What is the universe expanding into? (viewed 368140 times)
  11. How do you measure the distance between Earth and the Sun? (viewed 337130 times)
  12. Which planets have rings? (viewed 321419 times)
  13. Why do stars twinkle? (viewed 317032 times)
  14. Does the Moon rotate? Are there other moons that always keep one face toward their planet? (viewed 303669 times)
  15. How do I build a model rocket? (viewed 288807 times)
  16. What color is Venus? (viewed 272142 times)
  17. What is a white hole? (viewed 265947 times)
  18. Can you hear sounds in space? (viewed 255394 times)
  19. What is the life cycle of a star? (viewed 245190 times)
  20. What are the names of the earth, moon, sun, and solar system? (viewed 236999 times)
  21. What makes the Earth rotate? (viewed 229871 times)
  22. What is that ring (or rainbow) around the moon? (viewed 229080 times)
  23. What are shooting stars? (viewed 227508 times)
  24. What is the largest star? (viewed 221552 times)
  25. What do astronauts eat in space? Can they grow food? (viewed 208328 times)
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