The shimmering northern lights, or aurora borealis, are a natural light show that occurs in a loop around the poles. The southern version is known as aurora australis. Aurorae occur when charged particles emanating from the Sun – the solar wind – crash into the upper atmosphere. A mixture of electrons, protons and helium nuclei, they lose energy asof different amounts of red, green and blue.
HOW ARE AURORAE FORMED ON OTHER PLANETS?
Jun 16, 2022
2 minutes
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