Just wondering???why is the sky blue??

Question

cuz i was just thinking about it...

Answer 1

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.

Answer 2

Because the Earth's atmosphere scatters the light coming from the Sun!

Answer 3

Because light from the sun is scattering by atoms and molecules in the atmosphere. Light scattering by particles depends on the relative "sizes" of the photons and the particles. In the case of visible light, molecules are much smaller than the wavelength of light, so blue light gets scattered much more than red light.

So as light from the sun enters the atmosphere, more blue photons get reflected (not absorbed) by molecules than red photons - but then the blue photons get reflected again and again until they reach us. So the blue light comes from all over, the red light comes almost straight from the sun.

This is also why the sun looks redder at sunrise and sunset - the light's path through the atmosphere is longer when the sun is on the horizon than when it is high in the sky. I hope this answer helped.

Answer 4

because the air particles reflect blue light

Answer 5

the sky is blue due 2 dispersion of sunlight

when the sunlight hits the atmosphere it gets scattered or dispersed

light is made of the spectrum u know ( violet, indigo, blue, green, yellow, orange, red). of these....................

blue colour scatters the most n hence makes the sky appear blue

if the life wud have been possible somehow without atmosphere then we wud have seen black sky all thru day n night

that's it