The biggest rainbow in the solar system was just captured by newly-launched spacecraft as NASA scientists study the sun and try to better predict space weather.

A rare rainbow “jellyfish cloud” was spotted in the sky above Weatherford, Texas, on Tuesday, April 15. Video filmed by Chad Casey shows a wide circumhorizontal arc, a horizontal rainbow ...

Stay safe out there, friends.” But, what is a horizontal rainbow? The official term for this phenomenon is a circumhorizontal arc, because of the way they bend around the Earth’s horizon.

One reader, Michael MacAskill, said he believed it was an example of a circumhorizontal arc, colloquially known as a fire rainbow. "They form when the sun is high in the sky and shines through ice ...

The so-called fire rainbow phenomenon is a genuine atmospheric occurrence, technically known as a circumhorizontal arc, however it has nothing to do with fire, according to the Department of ...

This is called a 'circumhorizontal arc.' According to the International Cloud Atlas, this forms when the sun is at an angle of 58° or higher, meaning that some northern latitudes would never see ...

A ‘fire rainbow’ or ‘circumhorizontal arc’ was captured on camera in Folkestone yesterday. 'Fire rainbows', as seen in Folkestone, happen when sunlight bounces off ice crystals in the ...

But it was something much rarer than a sun dog. They were looking at a fire rainbow. "I've only ever seen this one fire rainbow in my 67 years of sky watching," said Brian Baker, who supplied the ...

confirmed to Boston.com that the photos shared on social media appear to show a “circumhorizontal arc,” also known as a fire rainbow. Nash clarified that he is not an expert on the phenomenon ...

A circumhorizontal arc and a solar halo made quite the pair on September 5, as the two natural phenomena were spotted over Holly Hill, Florida. Greg Diesel Walck told Storyful that he was driving when ...

A rainbow cloud is a similar rainbow, halo, sundog, circumhorizontal arc, because it forms due to the diffraction or refraction of light. In 2018, a similar "fire rainbow" was spotted in Vermont.