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aurora australis

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aurora australis

natural light display that occurs in the sky in the far south

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About aurora australis

An aurora is a natural light display in Earth's upper atmosphere caused by charged particles from the Sun colliding with atoms in the atmosphere. These collisions excite oxygen and nitrogen, which then emit light of different colours such as green, red, and purple. When observed in high-latitude regions they are called polar lights and aurora polaris. In the Arctic they are called the northern lights or aurora borealis; in the Antarctic, the term southern lights or aurora australis is used. Auroras display dynamic patterns of radiant light that appear as curtains, rays, spirals or dynamic flickers covering the entire sky.

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Not who you're looking for? Others named aurora australis: Australian icebreaker and research ship · natural light display that occurs in the sky, primarily at h · book printed on Antarctica during the Nimrod Expedition

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