See the new form of the northern lights discovered by amateur stargazers

Finnish amateur photographers have discovered a new auroral form. Thousands of photographs taken by the hobbyists were analysed by space researchers, who realised that a certain form of the northern lights did not fit into any pre-existing categories. Auroras are produced when charged particles, such as electrons, are ejected by the sun and funnelled towards the Earth's poles by our planet's magnetic field
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