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Sun halo appears in Nigeria

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Sun halo appears in Nigeria

Post  Admin on Wed Sep 11, 2013 2:35 pm






The whirling rainbow or the sunbow was what astounded many in Nigeria on Tuesday. Many rushed out at about 1.00 p.m. to view the spectacular event. But the blaze of the sun stopped many from a direct gaze.


Scientists say that this isn't technically a rainbow since it is on the opposite side of the sky as the sun, so they call it a halo. Whatever it is, it is marvelous to see.


According to lifeheartandsoul blog One source says: "While meteorologists have a physical understanding of the circular rainbow around the sun, wisdom keepers of the Americas and Tibet have complementary spiritual understandings about this dramatic omen around the Sun which is known as the Whirling Rainbow or the Sunbow.


For some traditional native people, the Sunbow or Whirling Rainbow is considered to be a sign from Creator, marking a time of great change, or transition on the Earth. This full-circle rainbow around the Sun, some elders say, can be understood as a sign to people of the necessity to live a life in respect and harmony with all the creations that make life possible: plants, animals, water, minerals, fire, wind and human beings."

http://www.tribune.com.ng/news2013/index.php/en/columns/2012-10-29-11-16-41/monday-lines/item/21294-whirling-rainbow-appears.html

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Halo (optical phenomenon)

Post  Admin on Wed Sep 11, 2013 2:44 pm

A halo (from Greek ἅλως; also known as a nimbus, icebow or gloriole) is an optical phenomenon produced by ice crystals creating colored or white arcs and spots in the sky. Many are near the sun or moon but others are elsewhere and even in the opposite part of the sky. They can also form around artificial lights in very cold weather when ice crystals called diamond dust are floating in the nearby air.

There are many types of ice halos. They are produced by the ice crystals in cirrostratus clouds high (5–10 km, or 3–6 miles) in the upper troposphere. The particular shape and orientation of the crystals is responsible for the type of halo observed. Light is reflected and refracted by the ice crystals and may split up into colors because of dispersion. The crystals behave like prisms and mirrors, refracting and reflecting sunlight between their faces, sending shafts of light in particular directions.

Atmospheric phenomena such as halos were used as part of weather lore as an empirical means of weather forecasting before meteorology was developed. They often do mean that rain is going to fall within the next 24 hours as the cirrostratus clouds that cause them can signify an approaching frontal system.

Other common optical phenomena involving water droplets rather than ice crystals include the glory and the rainbow.

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

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Re: Sun halo appears in Nigeria

Post  Admin on Wed Sep 11, 2013 2:57 pm

Halos form when light from the sun or moon is refracted by ice crystals associated with thin, high-level clouds (like cirrostratus clouds). A 22 degree halo is a ring of light 22 degrees from the sun (or moon) and is the most common type of halo observed and is formed by hexagonal ice crystals with diameters less than 20.5 micrometers.


Light undergoes two refractions as it passes through an ice crystal and the amount of bending that occurs depends upon the ice crystal's diameter.




A 22 degree halo develops when light enters one side of a columnar ice crystal and exits through another side. The light is refracted when it enters the ice crystal and once again when it leaves the ice crystal.




The two refractions bend the light by 22 degrees from its original direction, producing a ring of light observed at 22 degrees from the sun or moon.


http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/opt/ice/halo/22.rxml

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Re: Sun halo appears in Nigeria

Post  Admin on Wed Sep 11, 2013 3:04 pm

moon halo:






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