Birmingham, UK. 30th Dec, 2020. The last full moon of 2020 shows a lunar halo of colour in the night sky Halos around the moon are caused by high, thin cirrus clouds, and tiny ice crystals in Earth's atmosphere create the halos that refract and reflect the light. Credit: Peter Lopeman/Alamy Live News

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Photo credit: © PetaPix / Alamy / Afripics
License: Licensed
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Keywords: 2020, color, colour, effect, full, halo, ice, lunar, moon, nature, night, particles, sky, winter