why sun appear red at sunrise and sunset ?
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SUNDAY TIMES
Why do the sun and the sky turn red during sunrise and sunset?
Jun 29, 2003, 00:48 IST
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According to Rayleigh''s law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of seven colours. Of these, red has the maximum wavelength. During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon.
Therefore, light other than red is mostly scattered away. Most of the red light, which is the least scattered, enters our eyes. Hence, the sun and the sky appear red.— Chandreyee Datta, Kolkata
TOI
SUNDAY TIMES
Why do the sun and the sky turn red during sunrise and sunset?
Jun 29, 2003, 00:48 IST
AA
According to Rayleigh''s law, the intensity of scattered light varies inversely as the fourth power of its wavelength. Sunlight consists of seven colours. Of these, red has the maximum wavelength. During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon.
Therefore, light other than red is mostly scattered away. Most of the red light, which is the least scattered, enters our eyes. Hence, the sun and the sky appear red.— Chandreyee Datta, Kolkata
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According to Rayleigh''s law, the intensity of scattered light varies inversly
as the fourth power of its wave length Sunlight consists of seven colours. Of these, red has the maximum wave length. during sunrise and sunset the rays have to travel a larger distance as they are near to horizon.
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