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Rainbow - Wikipedia


A rainbow is a meteorological phenomenon that is caused by reflection, refraction and ... In a double rainbow, a second arc is seen outside the primary arc, and has the order of its colours reversed...

Rainbow Formation - The Physics Classroom


An observer on the ground observes a half-circle of color with red being the color perceived on the outside or top of the bow. Those who are fortunate enough to ...

Rainbows: How They Form & How to See Them - Live Science


Mar 15, 2011 ... Generally, it will be sunny when you see a rainbow, but rain clouds ... A single, or primary, rainbow has red on the outside or top of the bow and ...

Primary and Secondary Rainbows - HyperPhysics


Rainbows result from refraction of sunlight in falling water droplets plus ... If the drops are large, 1 millimeter or more in diameter, red, green, and violet are bright ... than the sky just outside the secondary rainbow, but this is a smaller difference.

Frequently asked questions about the rainbow - Weather Photography


Outside the rainbow, there is no light exiting raindrops in the way that ... That means that only the red part of the color spectrum causes the rainbow, and hence  ...

rainbow - The Worlds of David Darling


The primary rainbow, with red on the outside and violet inside, results from one total internal reflection. Sometimes a dimmer secondary rainbow with reversed ...

Colors of the Rainbow, Color Spektrum & Light Physics


The seven colors are red, orange, yellow, green, blue, indigo and violet. This is the order from the outside-in of the rainbow's arch. In general, rainbow colors ...

What is a Double Rainbow? - AccuWeather


Jul 12, 2010 ... The colors of the second rainbow are inverted, with blue on the outside and red moved to the inside. The second bow appears dimmer or ...

Rainbows - Richard Fitzpatrick


A rainbow is an arc of light, with an angular radius of $42^\circ$ ... The colours of a rainbow vary smoothly from red on the outside of the arc to violet on the inside ...

Rainbows - Crystalinks


Rainbows caused by sunlight always appear in the section of sky directly opposite ... In a normal rainbow, red is always on "top" while violet is on the " bottom.

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Frequently Asked Questions about Rainbows - Atmospheric Optics


... for red than blue. Thus red is on the outside and blue is on the inside of the rainbow.

Rainbows | Causes of Color - Webexhibits


Ideal conditions for rainbows are sunlight and water droplets, usually as rain, but ... primary rainbow (lower) run from violet on the inside to red on the outside.

About Rainbows - UCAR Center for Science Education


Referring to the figure, we see that the rainbow ray for red light makes an angle of 42 degrees ... Notice the contrast between the sky inside the arc and outside it.