One of my contacts asked me a very serious question what should I tell him?!


Question: One of my contacts asked me a very serious question what should I tell him!?
Here is the Question:

I wonder why the sky is blue instead of orange!?

What should my answer be to him; please be nice ;)
10pts!. Best AnswerWww@Answer-Health@Com


Answers:
Real Answer: Because it reflects the color of the ocean!. (or was that why the ocean was blue!? because it reflected off the sky!.!.hmm)

Other answer: Because it was God's favorite color!.Www@Answer-Health@Com

Contrary to popular belief, the blue sky does not reflect the ocean!. If that were true, states in the middle of the US or locations in Russia would never see a blue sky!.

Have you ever used a prism!? Notice that it splits light into all the colors of the rainbow!. The reason why the sky is blue is because of the curvature of the earth's atmosphere - it therefore refracts blue light!.

This is also part of the reason why the sky changes color as the sun rises and sets - it's refracting light from a different angle!.Www@Answer-Health@Com

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!. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight!.

The white light from the sun is a mixture of all colours of the rainbow!. This was demonstrated by Isaac Newton, who used a prism to separate the different colours and so form a spectrum!. The colours of light are distinguished by their different wavelengths!. The visible part of the spectrum ranges from red light with a wavelength of about 720 nm, to violet with a wavelength of about 380 nm, with orange, yellow, green, blue and indigo between!. The three different types of colour receptors in the retina of the human eye respond most strongly to red, green and blue wavelengths, giving us our colour vision!.
Tyndall Effect

The first steps towards correctly explaining the colour of the sky were taken by John Tyndall in 1859!. He discovered that when light passes through a clear fluid holding small particles in suspension, the shorter blue wavelengths are scattered more strongly than the red!. This can be demonstrated by shining a beam of white light through a tank of water with a little milk or soap mixed in!. From the side, the beam can be seen by the blue light it scatters; but the light seen directly from the end is reddened after it has passed through the tank!. The scattered light can also be shown to be polarised using a filter of polarised light, just as the sky appears a deeper blue through polaroid sun glasses!.

This is most correctly called the Tyndall effect, but it is more commonly known to physicists as Rayleigh scattering--after Lord Rayleigh, who studied it in more detail a few years later!. He showed that the amount of light scattered is inversely proportional to the fourth power of wavelength for sufficiently small particles!. It follows that blue light is scattered more than red light by a factor of (700/400)4 ~= 10!.
Dust or Molecules!?

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!. Even today, people sometimes incorrectly say that this is the case!. Later scientists realised that if this were true, there would be more variation of sky colour with humidity or haze conditions than was actually observed, so they supposed correctly that the molecules of oxygen and nitrogen in the air are sufficient to account for the scattering!. The case was finally settled by Einstein in 1911, who calculated the detailed formula for the scattering of light from molecules; and this was found to be in agreement with experiment!. He was even able to use the calculation as a further verification of Avogadro's number when compared with observation!. The molecules are able to scatter light because the electromagnetic field of the light waves induces electric dipole moments in the molecules!.
Why not violet!?

If shorter wavelengths are scattered most strongly, then there is a puzzle as to why the sky does not appear violet, the colour with the shortest visible wavelength!. The spectrum of light emission from the sun is not constant at all wavelengths, and additionally is absorbed by the high atmosphere, so there is less violet in the light!. Our eyes are also less sensitive to violet!. That's part of the answer; yet a rainbow shows that there remains a significant amount of visible light coloured indigo and violet beyond the blue!. The rest of the answer to this puzzle lies in the way our vision works!. We have three types of colour receptors, or cones, in our retina!. They are called red, blue and green because they respond most strongly to light at those wavelengths!. As they are stimulated in different proportions, our visual system constructs the colours we see!.


Response curves for the three types of cone in the human eye

When we look up at the sky, the red cones respond to the small amount of scattered red light, but also less strongly to orange and yellow wavelengths!. The green cones respond to yellow and the more strongly-scattered green and green-blue wavelengths!. The blue cones are stimulated by colours near blue wavelengths which are very strongly scattered!. If there were no indigo and violet in the spectrum, the sky would appear blue with a slight green tinge!. However, the most strongly scattered indigo and violet wavelengths stimulate the red cones slightly as well as the blue, which is why these colours appear blue with an added red tinge!. The net effect is that the red and green cones are stimulated about equally by the light from the sky, while the blue is stimulated more strongly!. This combination accounts for the pale sky blue colour!. It may not be a coincidence that our vision is adjusted to see the sky as a pure hue!. We have evolved to fit in with our environment;Www@Answer-Health@Com

It's to do with the different wavelengths of different coloured light, and the way it filters through our atmosphere!.
Red light travels at a different speed to blue light and so travels through the atmosphere at a different speed!. Blue travels the furthest, so it makes it all the way through to our eyes!. So hey presto, blue sky!
Sorry I'm not the best at explaining, but I like to have a go!. Hope it makes sense!Www@Answer-Health@Com

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!. When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight!. =)Www@Answer-Health@Com

Water covers more of our planet that land!. The sunlight reflects off the water and the sky gets the reflection!. For sunsets and such, that's actually gases in the atmosphere and things which is why it's all different colors!.Www@Answer-Health@Com

The sky is blue because it is the reflection of light off the ocean!. I think that is what i was told once upon a time!. And the water isn't orange therefore the sky can not be orange!Www@Answer-Health@Com

Because if it was orange it would be impossible to juggle tangerines at any height!.
Also people playing basketball outside wouldn't be able to catch high balls!.Www@Answer-Health@Com

Tell him the reason the sky is blue!. There is a scientific reason!.Www@Answer-Health@Com

well, i really dont know!.That is a kinda weird question, just tell him!.!.!.that you wonder the same thing!.I dont know i don't ever think i will be in that kinda situation so idk!. but i hope i helped!.Www@Answer-Health@Com

Its the surrounding atmospherical pressures that make the sky blue!.Www@Answer-Health@Com

It think it is with the reflection of the water


I have so many contacts in this thread lolWww@Answer-Health@Com

because blue is the shortest wavelength so it is diffused up to 10x more!.Www@Answer-Health@Com

? it reflects off the ocean ?Www@Answer-Health@Com

just get em some orange eye glasses!.!.!.Www@Answer-Health@Com

Tell him it is to remind the world how it would feel if he wasn't here!.Www@Answer-Health@Com

it is orange at sunrise and sunset!. well, the clouds are orangeWww@Answer-Health@Com

Because it loves you too much to do such a thing, dear!.Www@Answer-Health@Com

Tell him "Because it is"!.
Who was it!?Www@Answer-Health@Com

If he or she is your contact your question will show in his email and he will see it!. I'm sorry if you didn't know that!. have a Merry ChristmasWww@Answer-Health@Com





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