What is aurora borealis

jedvanheusen | 03:00 Tue 08th Feb 2011 | Science

3 Answers

CAT scan--vs-- MRI scan

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Andyvon

The Northern Lights Jed. In the southern hemisphere they are known as the Southern Lights or Aurora Australis.

The lights are formed by particles from the solar wind being channelled into the Earth's atmosphere along lines of the planet's magnetic field.. When those particles collide with atoms in the atmosphere they emit light - red for hydrogen, green for oxygen I think.

MarkRae

Er, on the assumption that you aren't joking and that you can't connect to Google for some reason, it's the northern lights...

Arksided

A fantastic spectacle, if your lucky enough to go and see it:

http://www.wallpapero...rora-Borealis-Alaska/

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