Earth - Auroras and the Ionosphere


  1. Can aurora or the Earth's magnetic field be harnessed to make energy?
  2. Is there a monument to the Northern Lights somewhere?
  3. Do sunspots affect the brightness and color of aurora?
  4. How much power do aurora produce and can we use it?
  5. Do aurora produce infrared emission?
  6. When can I see the Northern Lights from North America?
  7. Why do we use X-rays to study aurora?
  8. Will 2001 be a good year for viewing aurora?
  9. How can you artificially create aurora?
  10. Could the Magnetar Event of August 27, 1998 have caused the aurora also seen at that time?
  11. Will aurora be visible from Long Island or Rockland Maine?
  12. Where can I get information about the Aurora?
  13. Can you make artificial northern lights?
  14. Can you say anything about the March, 1989 aurora?
  15. I recently heard a high-pitched hum while watching an aurora from British Columbia, was I imagining it?
  16. Does the ionosphere only reflect radio waves at large angles?
  17. What causes the shifts in the Shumann Resonances?
  18. What is the southernmost latitude that an aurora can be seen in the northern hemisphere?
  19. We would like to travel to Sweden or Iceland to see an aurora. When should we leave?
  20. Who discovered the first aurora?
  21. How do solar flares affect auroras?
  22. When do auroras occur?
  23. How do auroras differ from day to night?
  24. What effects do auroras have on the Earth?
  25. Does your job bring you into contact with auroras?
  26. What is an aurora?
  27. During which months can auroras be most easily seen?
  28. How hot do auroras get?
  29. What does the solar activity cycle have to do with auroral activity?
  30. How low to the ground do auroras get?
  31. How long have auroras been observed on the Earth?
  32. Are the northern lights seen in the southern hemisphere simultaneously?
  33. Can you see Northern Lights from Minnesota?
  34. When is the best time of the year to see aurorae from Scotland?
  35. How often are aurorae seen in the continental United States?
  36. What is the difference between the 1971 atmosphere model by Jacchia, and the later one by Jacchia and Roberts?
  37. What is the nature of the boundary between the Earth's atmosphere and outer space?
  38. What is the South Atlantic Anomaly?
  39. What causes auroras to have different colors?
  40. Can the Aurora Borealis be seen from Rhode Island?
  41. Do aurora produce radio waves?
  42. What are some of the early theories about auroras?
  43. Are auroras seen on other planets?
  44. How long have auroras been observed?
  45. How do auroras affect the Earth?
  46. What would happen if you traveled through an aurora?
  47. Why don't auroras happen near the equator?
  48. Can you hear an aurora?
  49. How are auroras produced?
  50. Is it true that the Earth's magnetosphere is expanding?
  51. Does the reversal of the Sun's magnetic field have any effect on the Earth?

Return to the Ask the Space Scientist main page.

All answers are provided by Dr. Sten Odenwald (Raytheon STX) for the
NASA IMAGE/POETRY Education and Public Outreach program.