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Topic: Blue Sky with a White Sun


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  Blue Sky and Rayleigh Scattering
The blue color of the sky is caused by the scattering of sunlight off the molecules of the atmosphere.
As a qualitative examination of sky brightness and the saturation of the blue sky color, measurements of the color of the sky photograph were made from a computer monitor using Adobe Illustrator's color tools.
In the graph at upper left, the blue brightness was normalized to 1 and the red and green expressed as a fraction of the blue.
hyperphysics.phy-astr.gsu.edu /hbase/atmos/blusky.html   (703 words)

  
 Blue Skies and Red Sunsets
The light from the sun is white, a combination of all the colours of the rainbow and the earths atmosphere is full of air which is combination of many types of molecules which are much smaller than the wavelength of light.
Blue light is the shortest wavelength of the colours in white light, while red is the longest.
The complementary affect of the blue sky is the red sunset or sunrise.
optics.kulgun.net /Blue-Sky   (691 words)

  
 Chinese History - Sun Yat-sen (Sun Wen, Sun Zhongshan) (www.chinaknowledge.org)
Sun Yat-sen (1866-1925, in China called Sun Wen å­«æ—‡ or Sun Zhongshan 孫中山 "Nakayama"; the name Sun Yixian 孫逸仙, Cantonese "Sun Yat-sen", is only used in the West) is the most prominent leader of the Chinese "bourgeois" revolution (he called himself a professional revolutionary), he was called the "father of the nation" (Guofu 國父).
The symbol of the society was the blue sky-white sun flag later used by the Republic of China.
Although Sun who was abroad in November 1911 was proposed as the leader of the new republic, the ceded presidency to the powerful general Yuan Shikai 袁丗凱 who was able to convince the Manchu government to retreat.
www.chinaknowledge.de /History/Rep/sunzhongshan.html   (1277 words)

  
 The Sky on Alien Worlds   (Site not responding. Last check: 2007-10-16)
The sky on To'ul'h appears green because of its thickness, and because of airborne phytoplankton using chlorophyll and xanthophylls.
Green isn't normally seen as a sky colour on earth unless clouds block just the right portions of the rest of the sky, but it does occur sometimes during storms when the sun is low in the sky.
Though a type G star like the sun has a peak in the green/blue range, a type M star has a peak in red, K peaks in orange, F stars are brightest in the blue, and A and higher are brightest in the ultraviolet range.
www.orionsarm.com /whitepapers/sky_on_alien_worlds.html   (1589 words)

  
 Optical Illusions
The white light meaning all of the colors in a rainbow shines through the upper levels of the atmosphere and the blue light scatters across the entire planet.
Sun dogs are bright spots that appear on either side of the sun when there are thin layers of high ice crystal clouds otherwise known as Cirrus clouds.
Sun pillars are luminous vertical streaks of light, while or sometimes slightly reddish in color, extending from above and below the sun.
www.weatherwizkids.com /optical_illusions.htm   (953 words)

  
 Flag of the Republic of China - Wikipedia, the free encyclopedia
The flag of the Republic of China is red with a dark blue canton bearing a white sun with 12 triangular rays.
This flag was adopted as the flag of the ROC Navy from 1912 to 1917.
Lu Hao-tung's "Blue Sky with a White Sun" flag was used in the provinces of Guangdong, Guangxi, Yunnan, and Guizhou.
en.wikipedia.org /wiki/Flag_of_the_Republic_of_China   (2460 words)

  
 Republic of China (Taiwan)   (Site not responding. Last check: 2007-10-16)
The white sun symbolizes the spirit of progress as the twelve points represent the twelve hours of the day (a traditional Chinese hour = two conventional hours), and the sun on a blue field is the party flag of the Kuomintang (Nationalist Party) which ruled Taiwan until 2000.
Red ensign with the blue canton containing the white sun, the red field is defaced with four serrated yellow stripes.
The College adopted a red flag, with the white sun on a blue disc at the centre of the flag.
flagspot.net /flags/tw.html   (659 words)

  
 Blue Sky with a White Sun - Wikipedia, the free encyclopedia
The "Blue Sky with a White Sun" flag is the Kuomintang party flag and the ROC naval jack.
Lu Hao-tung's "Blue Sky with a White Sun" flag was used in the provinces of Guangdong, Guangxi, Yunnan, and Guizhou, while the "18-Star Flag", "Five-Colored Flag", and other designs were used elsewhere.
This officially became the national flag in 1928, and continued to serve as the naval ensign; the "Blue Sky with a White Sun" flag was adopted as the naval jack at the same time.
en.wikipedia.org /wiki/Blue_Sky_with_a_White_Sun   (614 words)

  
 Why Is The Sky Blue
Because violet and blue are the shortest wavelengths the sky appears to be violet / blue.
Blue is one of the primary colors and thus more easily activated and seen by our eyes.
It is because blue light from the sun strikes the air molecules and scatters and our eyes perceive it as blue.
www.why-is-the-sky-blue.tv /why-is-the-sky-blue.htm   (265 words)

  
 Exploratorium: Science Snacks: Blue Sky
Blue light also has a frequency that is closer to the resonant frequency of atoms than that of red light.
Blue light pushes on the electrons with a frequency that is closer to their natural resonant frequency than that of red light.
When the sun is on the horizon, its light takes a longer path through the atmosphere to your eyes than when the sun is directly overhead.
www.exploratorium.edu /snacks/blue_sky.html   (874 words)

  
 why_is_sky_blue
The sky is blue because molecules in the air scatter blue to your eyes more than they scatter red.
When white sunlight passes through a lot of atmosphere the blue is scattered out of the beam leaving the red in the beam.
Thus each molecule scatters 16 times more blue light than red because the blue light is closer to resonance, and yet red light photons are scattered by 8 times as many molecules as blue ones because of their longer wavelength.
isaac.exploratorium.edu /~pauld/physics/why_is_sky_blue.html   (1595 words)

  
 Blue Sky
The light we receive from the Sun is electromagnetic energy which has a range of wavelengths.
The Earth's sky is blue because the air molecules (largely nitrogen and oxygen) are much smaller than the wavelength of light.
Blue light, however, is much more readily scattered than light of longer wavelength.
www.ace.mmu.ac.uk /eae/Atmosphere/Older/Blue_Sky.html   (323 words)

  
 blue sky gallery
He was nominated for a Pulitzer Prize by the Baltimore Sun in 1992, for helping to break the story of the famine in Somalia.
From January 4 - 27, Blue Sky Gallery, 1231 NW Hoyt, presents photographs by Bruce Haley of Siletz, Oregon.
Blue Sky is open from Noon - 5 pm Tuesday through Saturday and is free of charge to the public.
www.blueskygallery.org /2001/january1.html   (466 words)

  
 [No title]
SKYCL107 Blue sky with the sun and orange and yellow clouds; 3072 x 1712 pixels.
SKYCL136 Blue sky with white clouds, mountains, hills, conifer trees and grass foreground; 2974 x 1902 pixels.
SKYCL163 Blue sky with white and purple clouds and partial rainbow; 2048 x 2262 pixels.
www.realworldimagery.com /Textures/SkyClist.txt   (863 words)

  
 Reading on Blue Skies and White Clouds
The color of the sky is composed of violet -- our eyes are not very sensitive to violet -- lots of blue, and decreasing amounts of green, yellow, and red.
If you observe the sky with an optical spectrometer, you note the blue sky has a broad band of colors, extending from the blue and fading toward the red.
The foam on a liquid such as beer is white even though the liquid itself is colored; here, the walls of the foam bubbles are so thin that little of the light is absorbed by the liquid while reflection and scattering occur at each of the many liquid-air interfaces.
acept.la.asu.edu /PiN/rdg/sky/sky.shtml   (535 words)

  
 Blue Shop Sky Surf   (Site not responding. Last check: 2007-10-16)
Blue Sky Tribe - Blue Sky Tribe is a term coined by David Beers' in his 1997 autobiographical memoir Blue Sky Dream.
Blue sky law - A blue sky law is a state law in the United States that regulates the offering and sale of securities to protect the public from fraud.
Blue Sky Dream - Blue Sky Dream: A Memoir of America's Fall from Grace is a 1997 memoir by David Beers.
ro7.muscyberspace.com /blueshopskysurf.html   (1096 words)

  
 Scattering of light   (Site not responding. Last check: 2007-10-16)
As a result, the sky is red when you look towards the sun (never look directly at the sun!), particularly when looking through a substantial portion of the atmosphere as occurs when the sun is on the horizon at sunrise or sunset.
As the powder dissolves, the beam turns a dark blue color (when viewed from the side), similar to the appearance of the sky at high altitudes where there is little air to scatter the blue light.
If the particulate size is too large, colors other than blue will be scattered and the beam may appear white or gray when viewed from the side, similar to the appearance of the sky when their is much dust or smog present.
www.csun.edu /science/BFI/lessons/scattering/scattering.html   (702 words)

  
 Sprites, Blue Jets and Elves
Some humans see sprites as white or green in color, but that is a result of the inability of the human eye to distinguish colors at such low intensities.
The blue jet was caught, again quite by accident, on low-light cameras from the University of Alaska-Fairbanks onboard a NASA research jet in 1994.
They are a pale blue in color, and often appear as grainy, upward shooting blobs or cones of light leaving a trail behind.
www.sky-fire.tv /index.cgi/spritesbluejetselves.html   (2800 words)

  
 Scientific American: Why is the sky blue?
To understand why the sky is blue, we need to consider the nature of sunlight and how it interacts with the gas molecules that make up our atmosphere.
Sunlight, which appears white to the human eye, is a mixture of all the colors of the rainbow.
Since scattering by the atmosphere causes the sky to be blue, a planet with no atmosphere cannot have a bright sky.
www.sciam.com /print_version.cfm?articleID=000D54E4-9DBF-1E8C-8EA5809EC5880000   (636 words)

  
 Newton's Apple: Teacher's Guides
The generally accepted scientific explanation for blue sky was first proposed by Lord Rayleigh, a British physicist and mathematician of the late 1800's.
Spectrum--For sunlight and other white light, the spread of colors seen when the light is passed through a prism: red, orange, yellow, green, blue and violet.
Blue--A color whose hue is that of the clear sky or that of the portion of the color spectrum lying between green and violet.
www.ktca.org /newtons/9/sky.html   (1118 words)

  
 Re: why is the sky blue?
White light from the sun passes through air fairly well, but there is a lot of air between here and the outer reaches of the atmosphere, and some of the light gets scattered.
The wavelength of red light is the longest, and blue light has the shortest wavelength, with orange, yellow, green, blue and indigo in between.
When the sun gets really low in the sky, the light has to go through much more air, which is why the sun looks bright red (never look at the sun directly unless it's very low, near to sunset - you could go blind).
www.madsci.org /posts/archives/dec96/848799227.Es.r.html   (460 words)

  
 Blue Sky - Why is the Sky Blue?
Light from the sun or a light bulb may look white, but it is actually a combination of many colors.
The blue color of the sky is due to Rayleigh scattering.
On Earth, some of the shorter wavelength light (the blues and violets) are removed from the direct rays of the sun by scattering.
www.sciencemadesimple.com /sky_blue.html   (2848 words)

  
 Activity -- Blue Sky
Describe how the atmosphere causes a blue sky and a yellow Sun when the Sun is high in the sky, but a reddish Sun and sky when the Sun is near the horizon.
Show an example of the blue sky model, pointing out the curve of the Earth and sky.
Discuss the color of the sky during the day and near sunrise or sunset.
www.nthelp.com /eer/HOAbluesky.html   (722 words)

  
 Blue Canyon Clear Sky Clock
Lighter shades of blue are increasing cloudiness and white is overcast.
A forecast color of white formally means that CMC didn't compute the transparency forecast because the cloud cover was over 30%.
Dewing tends to happen when the sky is clear, the temperature is dropping and there isn't much wind.
cleardarksky.com /c/BlueCanyonCAkey.html   (1364 words)

  
 Sky & Clouds backgrounds, skies backgrounds, sky images for architetural visualizations.
Blue sky with the sun and orange and yellow clouds
Blue sky with white, mauve and purple clouds
Blue sky with white clouds, mountains, hills, conifer trees and grass foreground
www.imagecels.com /docs/sky-backgrounds.html   (314 words)

  
 Why is the sky Blue?
A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light.
The white light from the sun is a mixture of all colours of the rainbow.
Tyndall and Rayleigh thought that the blue colour of the sky must be due to small particles of dust and droplets of water vapour in the atmosphere.
math.ucr.edu /home/baez/physics/General/BlueSky/blue_sky.html   (1368 words)

  
 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)

  
 [No title]
SKYCL107 Blue sky with the sun and orange and yellow clouds; 3072 x 1712 pixels.
SKYCL136 Blue sky with white clouds, mountains, hills, conifer trees and grass foreground; 2974 x 1902 pixels.
SKYCL163 Blue sky with white and purple clouds and partial rainbow; 2048 x 2262 pixels.
www.imagecels.com /docs/SkyClist.doc   (916 words)

  
 LiveScience.com - Blue Skies Only In the Eye of the Beholder
Blue light has a short wavelength, and the particles in the air scatter it around, making the sky appear blue.
When light from the Sun enters Earth's atmosphere, it is scattered, or deflected, by molecules in the atmosphere -- primarily nitrogen and oxygen.
But in this case, the sky's combination of violet and blue elicits the same cone response as pure blue plus white light, which is an equal mixture of all the colors.
www.livescience.com /forcesofnature/050719_blue_sky.html   (849 words)

  
 Blue Sky - Red Sunset
Blue light is scattered much more than orange or red light.
If there were no scattering, and all of the light travelled straight from the sun to the earth, the sky would look dark as it does at night.
Looking at the sky is like looking at the flashlight beam from the side: you're looking at scattered light that is blue.
scifun.chem.wisc.edu /HOMEEXPTS/BlueSky.html   (757 words)

  
 Flag of the Republic of China : Flag of Taiwan   (Site not responding. Last check: 2007-10-16)
It is referred to as "Blue Sky, White Sun, and a Wholly Red Earth (青天、白日、滿地紅 in pinyin: qing1 tian1, bai2 ri4, man3 di4 hong2)".
In 1913, as Yuan Shikai overtook China, Sun Yat-sen moved the nominal government to Tokyo and employed the modern flag as the national ROC flag.
In the "Blue Sky with a White Sun" Flag by Lu Hao-tung, the twelve rays of the white sun symbolize the twelve months and the twelve traditional Chinese hours (時辰 shi2 chen0), each of which correspond to two modern hours (小時 xiao3 shi2, literal meaning: "little shi").
www.termsdefined.net /fl/flag-of-taiwan.html   (639 words)

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