Northern Lights
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The Northern Lights or Aurora Borealis is celestial phenonemon seen in sky of the northern polar regions of the Earth. An equivalent phenonemon called the Southern Lights or Aurora Australis, is found in the southern polar regions.
Scientific Explanation
The effect is caused the interaction between the solar wind, the Earth's magnetic field and the upper atmosphere. Solar wind is composed of charged particles, so the glancing particles in the particularly strong area of the magnetic field creates what seems like an electrical fireworks display.[1]
See also
- Meteor
- The Golden Compass (originally published as Northern Lights)