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  2. Rainbow - Wikipedia

    en.wikipedia.org/wiki/Rainbow

    The shadow of the photographer's head at the bottom of the photograph marks the centre of the rainbow circle (the antisolar point). A rainbow is an optical phenomenon caused by refraction, internal reflection and dispersion of light in water droplets resulting in a continuous spectrum of light appearing in the sky. [1]

  3. Glory (optical phenomenon) - Wikipedia

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

    Glory around the shadow of a plane. The position of the glory's centre shows that the observer was in front of the wings. A glory is an optical phenomenon, resembling an iconic saint's halo around the shadow of the observer's head, caused by sunlight or (more rarely) moonlight interacting with the tiny water droplets that comprise mist or clouds.

  4. Perfect rainbow circle forms over Niagara Falls - AOL

    www.aol.com/news/perfect-rainbow-circle-forms...

    If you need to take a moment to brighten your day, take a peek at this amazing circle rainbow that formed over Niagara Falls. Honestly, you have to see it to believe it. The gorgeous sight was ...

  5. Halo (optical phenomenon) - Wikipedia

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

    The experimental reproduction of circular halos is the most difficult using a single crystal only, while it is the simplest and typically achieved one using chemical recipes. Using a single crystal, one needs to realize all possible 3D orientations of the crystal.

  6. Circumzenithal arc - Wikipedia

    en.wikipedia.org/wiki/Circumzenithal_arc

    A circumzenithal arc in Salem, Massachusetts, Oct 27, 2012. Also visible are a supralateral arc, Parry arc (upper suncave), and upper tangent arc.. The circumzenithal arc, also called the circumzenith arc (CZA), the upside-down rainbow, and the Bravais arc, [1] is an optical phenomenon similar in appearance to a rainbow, but belonging to the family of halos arising from refraction of sunlight ...

  7. Category:Rainbow - Wikipedia

    en.wikipedia.org/wiki/Category:Rainbow

    Articles relating to the rainbow, a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the Sun.

  8. Halo (religious iconography) - Wikipedia

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

    Plain round haloes are typically used to signify saints, the Virgin Mary, Old Testament prophets, angels, symbols of the Four Evangelists, and some other figures. Byzantine emperors and empresses were often shown with them in compositions including saints or Christ, however the haloes were outlined only. This was copied by Ottonian and later ...

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!