Aurora Borealis in Finnish Lapland 2011

So amazing, I love this stuff. And it's really amazing to think that what you're seeing is happening because of the earth's core itself. Such a mind blowing connection.
 
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>Directed by the earth's magnetic field
 
Where do you think the magnetic field comes from? ;_;
The earth's outer core layer. A layer of molten rock and metal that's constantly moving due to convection currents, which is what creates the magnetic field and gives us the north and south poles.
 
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