Created 13-Oct-16
Modified 13-Oct-16
Visitors 45
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**An aurora, sometimes referred to as a polar light, is a natural light display in the sky, predominantly seen in the high latitude (Arctic and Antarctic) regions.Auroras are produced when the magnetosphere is sufficiently disturbed by thesolar wind that the trajectories of charged particles in both solar wind and magnetospheric plasma, mainly in the form of electrons and protons, precipitate them into the upper atmosphere (thermosphere/exosphere), where their energy is lost. The resulting ionization and excitation of atmospheric constituents emits light of varying colour and complexity.**

Categories & Keywords
Category:Travel and Places
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Subcategory Detail:
Keywords:Iceland, aurora, borealis, lights, northern

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