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| | USATODAY.com (Site not responding. Last check: 2007-10-16) |
 | | These begin with the blue sky and red sunrises and sunsets, and include rainbows, halos, mirages, other kinds of lights and why stars twinkle. |
 | | Splotches, circles or lines with color, or maybe just a hint of color, in the sky that don't pass the rainbow test are almost surely caused by ice crystals or by water drops that are smaller than those that create rainbows. |
 | | Sun dogs, which are splotches of color on one or both sides of the sun, usually at a 22-degree angle from the sun, are more common than people think. |
| www.usatoday.com /weather/resources/basics/resources-sky-color.htm (1083 words) |
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