1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Aurora Borealis

  1. Mar 21, 2003 #1
    What causes the Aurora Borealis?
  2. jcsd
  3. Mar 21, 2003 #2


    User Avatar
    Science Advisor

    It's explained pretty well Here . Basically, the Sun emits particals (called the Solar Wind) which the Earth's magnetic field deflects away from the surface. But at the poles, that magnetic field "curves downward" and comes into direct contact with the surface. Charged particals from the Sun can ride down these nearly vertical lines of magnetic force. As these particals reach the ionosphere, the charges in that layer of the atmosphere interct with the charge in the Solar wind, giving off visible light, radio static, etc.
  4. Mar 21, 2003 #3
    Has anyone else got some cool info on this topic!
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Similar Discussions: Aurora Borealis
  1. Black Auroras (Replies: 2)

  2. Aurora borealis (Replies: 4)