If Rainbows Are Circular, Why Do We Only See Arches? | HowStuffWorks - Deepstash

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Rainbows And The Pilot's Glory

Rainbows And The Pilot's Glory

A pilot's glory is seen when you look down at a cloud or a blanket of fog, tight circles will appear around the antisolar point.

They, unlike rainbows, are the product of electromagnetic waves.

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Antisolar Point

Antisolar Point

This is the point in the sky or on the earth that is precisely 180 degrees away from the sun from your vantage point.

The antisolar point is marked by the head of your shadow. Every rainbow is perfectly circular based on this exact position.

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Degrees of Separation

Degrees of Separation

Sun rays are a mixture of all the different colors that are visible within the light spectrum even though they look white. With this in mind, when a beam of sun ray enters a water droplet the component colors refract and exit the water at different angles.

Each ray has a different wavelength where the longest belongs to the red light while the shortest is the purples.

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