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By travismorhardt
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Uploaded Dec 30, 2016. Captured Sep 10, 2015 23:02 in E Entrance Rd, Yellowstone National Park, WY 82190, USA.
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It has been indicated that there is no species on this photo.
comments (7)
Similar to the Earth, the sun has an atmosphere. But, the sun’s atmosphere is primarily made of hydrogen. And, because the sun is so hot, some of its atmosphere actually “boils” away. The resulting movement of electrons and other particles away from the sun’s surface causes a phenomenon called solar wind. The particles in the solar wind travel through space at an incredible speed of about one million miles per hour! Some of those particles reach the Earth’s atmosphere, where they are attracted to the magnetic fields of the poles. As the particles move, they crash into oxygen and nitrogen atoms. These collisions cause the release of energy in the form of light. The light forms an aurora, the colors of which depend on the atoms involved in the collision. Oxygen atoms close to the Earth create a green light, while nitrogen atoms give off red or blue light. As a result of this astronomical activity, we mere humans get to enjoy the northern and southern lights, also known as the aurora borealis and aurora australis! {The northern lights, spotted in Yellowstone National Park, Wyoming by JungleDragon user, travismorhardt} #JungleDragon Posted 5 years ago