A light pillar is a visual phenomenon created by the reflection of light from ice crystals with near horizontal parallel planar surfaces. The light can come from the Sun (usually at or low to the horizon) in which case the phenomenon is called a sun pillar or solar pillar. It can also come from the Moon or from terrestrial sources such as streetlights.

Policemen escort a Femen activist who broke into a rally of Franco's dictatorship regimen followers in Madrid, Spain, 28 March 2021. (Photo by Zipi/EPA/EFE)

Galagos, more commonly known as bush babies, are tiny African primates with remarkable jumping abilities. Thanks to the elastic energy stored in the tendons of their lower legs, small-eared galagos can jump 6 feet straight up in the air. (Photo by Traer Scott/Chronicle Books)

Radio City Music Hall Rockettes perform after days of rehearsal and routine polished to perfection at the Radio City Music Hall in New York City on July 26, 1949. (Photo by Ivan Dmitri/Getty Images)

A Comic Con attendee poses during the 2014 New York Comic Con at Jacob Javitz Center on October 9, 2014 in New York City. (Photo by Daniel Zuchnik/Getty Images)

Selena Gomez performs at the MTV Movie Awards. (Photo by Jordan Strauss/Invision for MTV)

A man walks along an El Paso road while observing a large ash column from the Cumbre Vieja volcano on the Canary Island of La Palma, Spain, October 4, 2021. (Photo by Borja Suarez/Reuters)

A macaque climbs on a visitor at Phra Prang Sam Yot temple in Lopburi, Thailand on February 25, 2024. Although the thousands of macaques living in town are a tourists' attraction, many complain that they harass residents and damage houses and businesses while deterring potential visitors. (Photo by Valeria Mongelli/Anadolu via Getty Images)