2006-11-05 16:18:15 · 8 answers · asked by n1a1012 1 in Science & Mathematics ➔ Earth Sciences & Geology
I don't know, but I know what is greater than god, what rhymes with orange, and where the other dollar went.
Maybe some of these people know.
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2006-11-08 15:42:27 · answer #1 · answered by Anonymous · 1⤊ 0⤋
The sun gives off lots of different colors of light. The wavelength of light determines what happens to it when it strikes our atmosphere. Blue light is scattered much more easily by atmospheric gasses than other colors of light (because of its wavelength).
The sun's light contains lots of different wavelengths of light which, when seen together, look yellow. That just happens to be how they look. That is also why the sun appears to be yellow when you look at it. When you see the sun in the sky, the light is, of course, not just hitting you, but is hitting your half of the earth's atmosphere. When it hits the atmosphere, blue light immediately begins to scatter, and some of it scatters towards you. That is why you see blue light everywhere in the sky on a sunny day.
Red light scatters too, but not nearly as much as blue light. So when the sun is setting, and light must travel through a lot more atmosphere to reach you than when the sun is in the middle of the sky, the blue light all scatters away before it reaches you. The red light does not scatter completely away, but spreads to create the beautiful red sunsets that we are used to seeing.
That is why the sky is blue and sunsets are red. It is not because of pollution. It is not a special property of nitrogen or of oxygen.
2006-11-06 00:43:08 · answer #2 · answered by Biznachos 4 · 0⤊ 0⤋
All colours of lights come from white light of the sun. Each one has a different wavelength. At different times, molecules in the air will seperate blue light more than any other colour of light which makes us see the sky as blue.
2006-11-06 02:02:46 · answer #3 · answered by AYu 4 · 0⤊ 0⤋
Sunlight is scattered by the atmosphere. This scattering is proportional to the 4th power of the frequency also known a Rayleigh scattering. That means that high frequencies are scattered much better than low frequencies. Or, blue light scatteres best!
2006-11-06 01:48:10 · answer #4 · answered by gizmeaux1 2 · 0⤊ 0⤋
The white light when comes down breaks into spectrum, depending on angle of the sunlight before it bends and scatters away like rainbow, that gives the black starry sky a color.
2006-11-06 00:44:45 · answer #5 · answered by ? 3 · 0⤊ 0⤋
Rayleigh scattering
2006-11-06 00:32:05 · answer #6 · answered by wcholberg 3 · 0⤊ 0⤋
The short answer? It's the color of Nitrogen.
2006-11-06 00:21:23 · answer #7 · answered by Anonymous · 0⤊ 0⤋
it's not blue is black.
2006-11-06 02:42:50 · answer #8 · answered by Anonymous · 0⤊ 0⤋