2012年7月1日 星期日

Rainbow


Raining will happen through out the year, it is a natural phenomenon.  The season of rain always in the spring, the rain water all the plant in the earth.  It offer the source of live and cleanout the world.  In the summer, it always has a semi-circular rainbos in the sky of the sun opposite after heavy rain. How does it happen? The rainbow is rainy and sunny after the rain on the occasion of sunlight remaining in the air drops refraction, scattering colorful light. The sunlight through the prism of the prospects direction will be deflected, and the original white light line is broken down into seven kinds of red, orange, yellow, green, green grass, blue, purple colour band of light.
After the rain, it always is happened after heavy rain, there are many tiny water droplets floating in the air, refraction will occur when sunlight into small droplets then it disperse seven kinds of colors of light.  A lot of small droplets at the same time and the refraction of sunlight, then it reflect into our eyes, so we will see a article semicircle of the rainbow in the cloud. Rainbow ribbon distinct red emission in the outermost, followed by six kinds of colour; orange, yellow, green, green grass, blue, purple.  
The size of the droplets in the air, determine the extent and width of the rainbow colorful. The greater the volume of small droplets in the air will occur the bright rainbow and narrow; the contrary, smaller size water droplets in the air will occur rainbow colour on light and wide.
Normally, we will often see the two rainbow appear in the usual rainbow outside the mind, but the darker side of Rainbow (also known as Ni). Ni is also called "Vice Rainbow”, formed roughly the same with the rainbow principle. Vice rainbow sun made ​​of droplets in the two reflections. When the sun after a drop of water, it will be refraction, reflection and then refracted out. Droplets at the same time and the refraction of sunlight then the formation of the common people of the rainbow (primary rainbow). If the light in the water droplets within the two reflections will produce a second rainbow (rainbow), ribbons arranged in the order and the rainbow, including red, purple outside.  It is because the second rainbow is not obvious, sometimes which is not easy to see it. 
When we are facing the sun cannot see the rainbow, only in the opposite side of sun we can see the rainbow, so in the morning a rainbow will appear in the West, in the evening a rainbow will appear in the East.  We also can see the rainbow looking down from a height.
Rainbow associated with the changes in the weather, generally, we speculate that when a rainbow appeared in the sky position. It is rain or shine. The rainbow appear in the Eastern area, the West is heavy rain, the rainbow appear in Western area, the East is heavy rain.
The temperature of winter is low, it is not easy to has small water droplets in the air and no many rainy day, so winter is generally no a rainbow in the sky.
At the end of spring between the begining of summer, many times I saw a  rainbow in the sky after the heavy rain within one month.  I usually see the primary rainbow in the sky, I think it is wonderful and becautiful, which is natural beauty, true and impressive.  It is so beautiful of a rainbow put up in the cloud after rain, which is eternal beauty of world.  Someday, I saw two rainbows in the sky, one is primary rainbow more bright and one is vice rainbow unconspicuous. Then I caught this moment and took a photo of it.

Rainbow occur in the cloud, which is special meaning of the Christ or Catholicism , it is the covenant between God and human.  In Genesis was recorded after a flood to destory the earth, God have established everlasting convenant with the earth.  Rainbow is wonderful and a sign of this memory, it ever will be appeared after rain in the sky.

Genesis 9 (World English Bible)

God's Covenant with Noah

8 God spoke to Noah and to his sons with him, saying, 9 “As for me, behold, I establish my covenant with you, and with your offspring after you, 10 and with every living creature that is with you: the birds, the livestock, and every animal of the earth with you, of all that go out of the ship, even every animal of the earth. 11 I will establish my covenant with you: all flesh will not be cut off any more by the waters of the flood, neither will there ever again be a flood to destroy the earth.”
12 God said, “This is the token of the covenant which I make between me and you and every living creature that is with you, for perpetual generations: 13 I set my rainbow in the cloud, and it will be for a sign of a covenant between me and the earth. 14 It will happen, when I bring a cloud over the earth, that the rainbow will be seen in the cloud, 15 and I will remember my covenant, which is between me and you and every living creature of all flesh, and the waters will no more become a flood to destroy all flesh. 16 The rainbow will be in the cloud. I will look at it, that I may remember the everlasting covenant between God and every living creature of all flesh that is on the earth.” 17 God said to Noah, “This is the token of the covenant which I have established between me and all flesh that is on the earth.”

http://www.christnotes.org/bible.php?q=Genesis+9&ver=web

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