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ABC News

National

Miriam Bradbury

The science behind auroras, red skies and coloured clouds

Sun Earth Bureau of Meteorology

The light show of aurora australis, over Mawson Station in Antarctica. (Supplied: Patrick James)

From the ephemeral red of a sunset to the elusive, multi-coloured southern lights, what is the science behind colours in the sky — and can those colours tell us anything about the weather?

Red skies

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