When the moon casts its glow upon the night sky, it often captivates viewers with its serene beauty. However, on one extraordinary night in Alaska, ... Read more The post A Halo Around the Moon ...

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 ...

“A rare and spectacular sight in the skies above! I am told that this phenomenon is known as a 22-degree halo or a sun halo,” said SM Lee. A sun halo forms when sunlight interacts with ice ...