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  2. Rainbow - Wikipedia

    en.wikipedia.org/wiki/Rainbow

    The sky inside a primary rainbow is brighter than the sky outside of the bow. This is because each raindrop is a sphere and it scatters light over an entire circular disc in the sky. The radius of the disc depends on the wavelength of light, with red light being scattered over a larger angle than blue light.

  3. Atmospheric optics - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_optics

    A rainbow is a narrow, multicoloured semicircular arc due to dispersion of white light by a multitude of drops of water, usually in the form of rain, when they are illuminated by sunlight. Hence, when conditions are right, a rainbow always appears in the section of sky directly opposite the Sun.

  4. Optical phenomenon - Wikipedia

    en.wikipedia.org/wiki/Optical_phenomenon

    Common optical phenomena are often due to the interaction of light from the Sun or Moon with the atmosphere, clouds, water, dust, and other particulates. One common example is the rainbow, when light from the Sun is reflected and refracted by water droplets.

  5. Sun dog - Wikipedia

    en.wikipedia.org/wiki/Sun_dog

    In the Anglo-Cornish dialect of Cornwall, United Kingdom, sun dogs are known as weather dogs (described as "a short segment of a rainbow seen on the horizon, foreshowing foul weather"). It is also known as a lagas in the sky which comes from the Cornish language term for the sun dog lagas awel meaning 'weather's eye' ( lagas , 'eye' and awel ...

  6. Green, red and purple: The colorful science behind the ...

    www.aol.com/weather/green-red-purple-colorful...

    The interaction of these particles with oxygen and nitrogen at different altitudes causes various colors to appear in the sky. Green is the most common color for aurora and appears when charged ...

  7. Halo (optical phenomenon) - Wikipedia

    en.wikipedia.org/wiki/Halo_(optical_phenomenon)

    Many of these appear near the Sun or Moon, but others occur elsewhere or even in the opposite part of the sky. Among the best known halo types are the circular halo (properly called the 22° halo ), light pillars , and sun dogs , but many others occur; some are fairly common while others are extremely rare.

  8. Rare rainbow cloud looks like ‘psychedelic skies’ over ...

    www.aol.com/news/rare-rainbow-cloud-looks...

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  9. NASA offers explanation for bizarre 'trumpet noise' phenomena

    www.aol.com/news/2015-05-22-nasa-attempts-to...

    Videos of eerie noises erupting from the skies have recently surfaced on YouTube, sending people into a panic around the world. The video above shows a particularly frightening episode of this ...