Hama sky blue kyu dikhta ha black kyu nhi
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IT IS ALL BECAUSE OF SCATERRING OF LIGHT { RAYLEIGH'S SCATERRING }
Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
NEAR HORIZON IT BECOMES LIGHT BLUE OR WHITE
Closer to the horizon, the sky fades to a lighter blue or white. The sunlight reaching us from low in the sky has passed through even more air than the sunlight reaching us from overhead. As the sunlight has passed through all this air, the air molecules have scattered and rescattered the blue light many times in many directions.
Also, the surface of Earth has reflected and scattered the light. All this scattering mixes the colors together again so we see more white and less blue.
A PLACE LIKE MOON WHERE YOU DON'T HAVE ATMOSPHERE OR PARTICLES TO SCATTER LIGHT, THERE IT APPEARS BLACK
eg. MOON
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IT IS ALL BECAUSE OF SCATERRING OF LIGHT { RAYLEIGH'S SCATERRING }
Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
NEAR HORIZON IT BECOMES LIGHT BLUE OR WHITE
Closer to the horizon, the sky fades to a lighter blue or white. The sunlight reaching us from low in the sky has passed through even more air than the sunlight reaching us from overhead. As the sunlight has passed through all this air, the air molecules have scattered and rescattered the blue light many times in many directions.
Also, the surface of Earth has reflected and scattered the light. All this scattering mixes the colors together again so we see more white and less blue.
A PLACE LIKE MOON WHERE YOU DON'T HAVE ATMOSPHERE OR PARTICLES TO SCATTER LIGHT, THERE IT APPEARS BLACK
eg. MOON
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