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A halo from the sun appears around one of the statues in Saint Peter's Square at the Vatican

A halo from the sun appears around one of the statues in Saint Peter's Square at the Vatican September 18, 2006. The Vatican opened its secret archives on the papacy of Pius XI between 1922 and 1939 on Monday and said unjust opinions concerning its relations with Jews in the pre-World War Two period would be overturned. REUTERS/Max Rossi (VATICAN) - RTR1HGNA

Amazing sun halos captured around the world

May 15, 2013

A sun halo is an optical phenomenon

produced by ice crystals creating colored or white arcs and spots in

the sky. Many are near the sun or moon but others are elsewhere and even

in the opposite part of the sky. Commonly referred to as a 22-degree halo, it forms a ring exactly 22-degrees from the sun.