SKY RED & SKY BLUE

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Sir I need the concept of …..”why sky appears red in morning and in evening

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  1. Aditya Kumar
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    July 16, 2017 at 2:33 pm

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    This is due to Rayleigh scattering..!!
    Also explained as splitting of sunlight into its various wavelength components..!!
    In the morning and evening time; when sun is more horizontal to a sensor; “oxygen and nitrogen(that are in majority in atmosphere) play main role in scattering blue and violet light wavelenghts(smaller wavelenghts). Atmospheric refraction plays its role too in scattering light..!!
    So; a sensor reciever higher wavelength light i.e. Red & Orange or warm colors..!!
    During noon time; sun is mostly vertical & effect of refraction is least..!!
    Oxygen & Nitrogen are less effective in scattering lower wavelengths & hence sky appears most blue during noon..!!

     

     

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