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Researchers: Northern Lights' height determined using 2 digital cameras

from International Science Times

Using two cameras placed five miles apart, Japanese researchers were able to measure the altitude of aurora borealis, or the Northern Lights, according to a study published in the geoscience journal Annales Geophysicae. The Northern Lights appear when electrically charged solar particles enter the atmosphere and collide with Earth's gaseous particles. The Northern Lights' colors change depend on the different types of gas involved in the collision. more

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