The 22° Halo is a striking optical phenomenon that manifests as a circular ring of light around the sun or moon. This halo is formed by the refraction of light through ice crystals in high ...

who took to Facebook to share a photo of the optical phenomenon at about 2.40pm. “A rare and spectacular sight in the skies above! I am told that this phenomenon is known as a 22-degree halo or ...

Hong Kong on Tuesday witnessed a rare natural phenomenon, a halo around the sun, that can be experienced only when meteorological conditions are right. The Observatory posted pictures on its ...

SINGAPORE - If you happened to lift your gaze to the skies around midday on March 15, you may have spotted a bright ring of light around the sun. Known as a sun halo, photos of the rare sighting ...

If you happened to lift your gaze to the skies around midday on March 15, you may have spotted a bright ring of light around ...