As light travels from one medium to another at an angle it suffers a change in direction. Different wavelengths of the light spectrum change in direction in different amounts, scattering the light spectrum. The light spectrum is made up of all colours. In the case of the light coming from the sun, the atmosphere scatters the light. blue is scattered the most, as it has the longer wave length, which gives us the blue sky we see during the day. At sunset and sunrise the light from the sun has to travel further through the atmosphere before it reaches our eyes. This has the effect of scattering off the blue light. As the sun gets lower and lower in the sky, its light has to travel further and further through the atmosphere to get to our eyes. More and more of the light spectrum is scattered off. Red has the shortest wavelength which means it is bend less in the atmosphere. Therefore as the sun gets lower in the sky, red is the last colour in the light spectrum to be scattered off, giving the sun its red appearance during sunset and sunrise. Infact if the sun is a deep red, the sun is actually below the horizon. It is only the atmosphere bending the red light through it that allows us see it still!
2007-12-24 01:58:01
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answer #1
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answered by muppetonawave 1
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Its sort of a coincidence. The Sun looks red in the morning and afternoon because the light that is reaching your eyes is coming through the atmosphere at a shallow angle, and thus it passes through more of the atmosphere. All the stuff in the air (pollutants especially) make it look more red. In the middle of the dy the Sun is straight over head, the light needs to pass through less air, and therefore less pollution. If you;ve ever seen the sun when there's been a forest fire in the area, it can look very red. Moreso in the morning and afternoon, but even at mid-day. Of course it just so happens that when the Sun is coming straight down on us the rays are more intense, so it is hotter.
2016-03-26 23:08:02
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answer #2
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answered by Rosa 4
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Orange Sun
2016-10-05 00:27:38
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answer #3
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answered by ? 4
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RE:
Why does the Sun looks orange like ,when it rises in the morning and it sets in the evening ?
2015-08-17 03:11:46
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answer #4
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answered by Chrysler 1
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The colour is not orange and it should be red.At sunset or sunrise,the rays from the sun have to pass through a greater extent of the atmosphere than at noon.Most of the blue colour is scattered away and only the red light having longer wavelength reaches the observer.Therefore the sun looks almost reddish at sunset and sunrise.
2007-12-24 01:31:33
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answer #5
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answered by Arasan 7
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Because of the gases in the atmosphere, some colors of the visible light spectrum are invisible at sunrise and sunset, because of the angle that you are viewing the horizon at. In other words, if you drove East at an amazing speed with no stopping or slowing down, and you could look out the window, you'd see the sun gradually change color as the sun moves off the horizon. I dont recommend trying that, though ;)
2007-12-24 01:02:07
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answer #6
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answered by Synthuir 3
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seriously, it is partly the effect in your eyes. you are dark adapted, then there is that bright light. if you tried staring at the sun at noon, lets say, you would find that your eyes started hurting and watering, in less than 40 seconds. I do NOT recommend you try that. It is not only physically painful, it can do permanent damage to your eyes. When you are driving in the morning, toward the sun, you can't really keep driving and not look at the sun. so it hurts, and you can't just drive some other direction, so it hurts more.
2016-03-16 23:01:05
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answer #7
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answered by Anonymous
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This is because of the way the atmosphere bends light. during sunrise and sunset, the sun is close to the horizon so light must travel through a lot of atmosphere. This light is bent a lot, red moreso than others. As a result, we see red light first.
2007-12-23 23:52:19
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answer #8
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answered by axdotman 2
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the light traveling from the sun is going at the speed of light, which is approximately 186,000 miles per second. it takes a couple of minutes to get here.
2007-12-23 23:57:10
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answer #9
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answered by jackie 4
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This is due to the atmospheric refraction in the air.
And the red light has more wavelength so it won't disperse easily.so we can see it.
2007-12-24 01:00:35
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answer #10
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answered by Anand 1
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