Logan Cropper, Dominic Agneta, and Emily Traugott

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Logan Cropper, Dominic Agneta, and Emily Traugott Phenomena in the Upper atmosphere Logan Cropper, Dominic Agneta, and Emily Traugott

Aurora Borealis and Aurora Australis http://www.softservenews.com/photos/large/1403081_560684567338875_1243713410_o.jpg

The cause of Auroras Solar flares eject a huge quantity of electrons and protons into space, some of which come in contact with Earth These electrons and protons collide with the molecules and atoms in Earth’s upper atmosphere which causes them to become ionized and electronically excited Then, when the excited molecules and ions return to their ground state, they emit light which we see as the Auroras. https://s-media-cache-ak0.pinimg.com/236x/21/b0/53/21b053038c803ae743d095a57fe1f45e.jpg

Different molecules and atoms emit different colors of light Oxygen atoms emit green and red Nitrogen molecules emit blue and violet The protons and electrons are oriented by Earth’s magnetic field because of their charge This causes most of the auroras to be visible only near the poles. Aurora borealis are near the north pole, and the aurora australis are near the south pole http://readanddigest.com/wp-content/uploads/2013/02/Auroras-of-different-colors.jpg

The Shuttle Glow Phenomenon http://www.spacefacts.de/graph/photo/photos2/sts-84_glow.jpg

The Mystery Glow of Space Shuttles Space shuttles in low orbits of Earth can often be observed to give off a sort of orange glow. This results from a reaction between fast O atoms in the atmosphere and NO compounds collected on the surface of the shuttle. NO2 gas is formed, and radiates this type of light as it returns to its ground state. https://en.wikipedia.org/wiki/File:Sts062-42-026.jpg http://history.nasa.gov/NP-119/p64c.jpg

The Glow of STS-39 -During the launch of STS-39, the twelfth mission of the Discovery shuttle, samples of NO2, CO2, Xe and Ne were released as part of an experiment on plasmas. -Additional gases collected on the tail of the shuttle, which resulted in a much more prominent version of the glow effect when the NO2 was released. https://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/STS-39_launch.jpg/260px-STS-39_launch.jpg

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