Rings around the moon?????

maverick2112

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Jan 16, 2001
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During the winter you can sometimes see a ring, made up of the colors of the rainbow, around the full Moon. What causes this?
:confused:
 

K-LINE

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Jun 7, 2002
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This goes with the previous post of moisture in the atmosphere.
Some of the old timers here in texas say that when you see rings around the moon that it will rain with-in 3 days.
Might watch and see.

GL
K-LINE
 

Marco

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speaking of cataracts.....what causes those......well the best way I can describe them....are those lines on the surface of your eye, that when you move your eye they move also and look like some type of cell or something you'd see looking through a microscope......

am I going blind?
 

KMA

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The 'ring' is produced when light refracts off ice crystals in cirrus clouds and cirrus clouds portend worsening weather, a ring around the sun or moon is a fairly accurate indicator of precipitation within a day ortwo.

The 'ring' colors can vary. The refractive angles are slightly less for the longer wavelength of red light and shorter for the violet hues, so colored 'rings' progress from the inside to the outside band from red followed by yellow, green and violet on the outer edge. Due to the random orientation of ice crystals and the random chance of crystals hitting the light just right, the colors in most 'rings' are not very intense. Since moonlight is weaker than sunlight, the halos (as they are known) around the moon typically appear as a pearly-white ring. It's physics.



Cataracts are areas on the eye that distort light as it passes through the eye's lens, which is responsible for producing images. The lens is located behind the iris and the pupil. The most common type of cataracts are related to age which protein in the lens of the eye clump together and cloud our vision. Cataracts cause bad night vision, blurriness, problems with glare and depth perception. They usually form with age, BUT can be the result of an injury. Treatment is surgical intervention and lens transplants.
 
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