The colour of the sky is a result of diffuse sky radiation and the fact that air is actually a very transparent blue color[1]. On a sunny day the Earth sky usually looks as a blue gradient — dark in the zenith, light near the horizon (due to Rayleigh scattering). It turns orange and red during sunrise and sunset, and becomes black at night.
Sky luminance distribution models have been recommended by CIE (the International Lighting Commission) for the design of daylighting schemes. Recent developments relate to “all sky models” for modelling sky luminance under weather conditions ranging from clear sky to overcast sky[2].
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2006-10-07 02:46:58
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answer #1
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answered by catzpaw 6
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b6473d82e47c479ca94a81a5daeff14What provides the sky its blue colour?QUOTE Rayleigh scattering interior the ambience: dirt, molecules, in actuality something with dimensions smaller than the wavelength. Blue easy is extra scattered than crimson by way of fact it has a shorter wavelength. b6473d82e47c479ca94a81a5daeff14So if the sky has extra blue debris than the different colour,QUOTE colorings don't have debris. b6473d82e47c479ca94a81a5daeff14outside the sky (area) is black.QUOTE by way of fact there are in simple terms approximately no Raileigh scatterers. b6473d82e47c479ca94a81a5daeff14how come the the white easy (the solar) is going for the time of the black sky(area) yet nevertheless manages to get blue, yet then turns black at evening?QUOTE it is scattered on the ambience. besides, the Earth's ecosystem would not span out into area, it is restricted exceptionally lots to interior some miles above the floor of the Earth. something is an actual to hoover, hence has no count to scatter the easy -- it is going on unimpeded.
2016-11-26 22:44:45
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answer #2
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answered by kimsey 4
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Reflection
2006-10-07 01:22:13
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answer #3
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answered by Mary Who? 3
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something about the wavelength of light energy hitting our atmosphere and being dispersed on the visual spectrum in the range that gives off the colour blue.
2006-10-07 03:55:44
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answer #4
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answered by wreck_beach 4
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Water in the air.
Sunlight moves at different speeds, like the colors in the rainbow.
What you see is the blue color of sunlight, it is the slowest.
When you get a lot of dust or clouds thin enough, such as sunset, you see the orange and red.
Either way, it is a sight to behold.
2006-10-07 01:27:09
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answer #5
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answered by Anonymous
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Reflection of the sun into the Atmosphere
2006-10-07 01:26:54
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answer #6
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answered by Anonymous
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molecules in the air reflect blue light from the sun, when the sun sets, the light reflects from a different angle, creating a reddish or purplish hue.
2006-10-07 11:50:27
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answer #7
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answered by tomcat 3
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Hydrogen, oxygen, ozone and carbon dioxide, nitrogen and carbon monoxide, and ionization, basically
2006-10-07 01:27:37
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answer #8
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answered by Anonymous
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David has it right
2006-10-07 01:29:11
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answer #9
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answered by oilsbycarr 2
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the ocean
2006-10-07 03:53:06
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answer #10
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answered by ramtonio 1
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