Halo Around the Sun in South Africa Today

A halo appeared around the Sun on Nov. 1, 2010 in Centurion South Africa. Credit: Alan Buff.

Residents around Johannesburg, South Africa were treated with a rare astronomical sight — a halo around the Sun. These halos are striking to see, but unlike an eclipse, they can’t be predicted. Conditions in the atmosphere have to be just right, with moisture or ice crystals creating a “rainbow” effect around the Sun. Sometimes the halos surround the Sun completely, other times, they appear as arcs around the solar sphere. Basically, sunlight is reflecting off moisture in the atmosphere. These images were sent in by Alan Buff from Centurion, South Africa. See more below.

(…) Read the rest of Astrophotos: Halo Around the Sun in South Africa Today (163 words)

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