Rotating Question Curious About Astronomy? Ask an Astronomer

Previously answered questions by Sara Slater

(in order of times viewed)

  1. Why do planets have elliptical orbits?
  2. Where did the matter in the universe come from?
  3. What would happen to us if the sun went out for an hour?
  4. What do a galaxy's colors mean? Are they its true colors?
  5. What happens to spacetime inside a black hole?
  6. How do we know the Milky Way is a spiral galaxy?
  7. Does the Coriolis force determine which way my toilet drains? Does it affect black holes?
  8. Can superheavy elements (such as Z=116 or 118) be formed in a supernova? Can we observe them?
  9. Did I see the Aurora Borealis as a child?
  10. What causes gamma ray bursts?
  11. What is "nothing", from a scientific point of view?
  12. What is our galaxy's halo made of, and how was it formed?
  13. Can I see a quasar?
  14. Do similar laws of physics throughout the Universe imply that all life must be like life on Earth?
  15. What is the SU(3) quark model?
  16. How does melting a material reset its radioactive clock?
  17. How does a star take mass from another star?
  18. What is the photoelectric effect? Why can't multiple low-frequency photons free an electron?
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Last modified: November 19, 2007 11:28:35 AM

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