Meet 'Firebows,' the Flat, Rainbow-Like Stacks That Appear in …
网页2021年7月30日 · You might see a rainbow when sunlight rushes past you from behind and strikes water droplets (from rain, fog, or a hose) in front of you. Firebows, on the other hand, form when the sun is fairly...
Circumhorizontal arc - Wikipedia
网页A circumhorizontal arc is an optical phenomenon that belongs to the family of ice halos formed by the refraction of sunlight or moonlight in plate-shaped ice crystals suspended in the atmosphere, typically in actual cirrus or cirrostratus clouds.
Fire Rainbows: A Rare Cloud Phenomenon | Amusing Planet
网页2013年5月19日 · When the sun is very high in the sky, sunlight entering flat, hexagon shaped ice crystals gets split into individual colors just like in a prism. The conditions required to form a “fire rainbow” is very precise – the sun has to be at an elevation of 58° or greater, there must be high altitude cirrus clouds with plate-shaped ice crystals ...
Meet ‘firebows’ — the rainbow-like stacks that appear in sunny skies
网页2021年8月9日 · Though the word “arc” implies a degree of swoopiness, a firebow looks more like a flat band than a rainbow’s signature semicircle. These stunners form differently, too. You might see a rainbow when sunlight rushes past you from behind and strikes water droplets (from rain, fog, or a hose) in front of you.
Here’s why rainbows have a curved or arcing shape - EarthSky
网页2023年3月29日 · A rainbow isn’t a flat two-dimensional image on the dome of sky. It’s more like a mosaic, composed of many separate bits … in three dimensions (more about the three-dimensional quality of...
A photographer captured these amazing photos of a 'horizontal …
网页2020年4月13日 · Seeing a rainbow in the sky is one of those natural wonders that always amazes us no matter how many times it happens. The combination of vivid colors and its timing right after a downpour...
How to See Halos, Sun Dogs and Other Delights of the Daytime Sky
网页2023年12月15日 · Another cool optical phenomenon is the circumhorizon (or sometimes circumhorizontal) arc, which is like a flat rainbow near the horizon when the sun is high in the sky.
I saw an upside-down rainbow. What is it? - EarthSky
网页2020年3月4日 · Bottom line: When you see what looks like an upside-down rainbow, you’re likely seeing a circumzenithal arc. It’s related to the halos often seen around the sun or moon, caused by ice crystals ...
APOD: 2008 June 10 - A Fire Rainbow Over New Jersey
网页Sometimes known as a fire rainbow for its flame-like appearance, a circumhorizon arc is created by ice, not fire. For a circumhorizon arc to be visible, the Sun must be at least 58 degrees high in a sky where cirrus clouds are present.
A Woman Captured Breathtaking Photos of a 'Horizontal Rainbow ...
网页2020年4月12日 · Cessna Kutz likely photographed a circumhorizontal arc, often called a horizontal rainbow or fire rainbow. In order for the phenomenon to occur, the sun and clouds have to be just right in the...
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