Auroras are natural colored light displays in the sky.
They are produced by the collision of charged particles from Earth's magnetosphere with atoms and molecules of Earth's upper atmosphere.
The collisions electronically excite atoms and molecules.
The excitation energy can be lost by light emission or collisions.
Different gases interacting with the upper atmosphere will produce different colors, caused by the different compounds of oxygen and nitrogen.pretty ain't it?
chanced upon this while doing pre-lab for my physics.
i am just amazed at how scientists can stare at these things and come up with some physics/chemistry theory behind it. the solar system and galaxies are all very interesting all together. i wish i could study them in time to come. maybe i'll come to build a telescope just like the one in 'a walk to remember'. just hope what i am studying now come to good use.
looking at these wonders. i can't help but think how great a scientist God is.
He knew, wayyy before we did.