Question

why does the sun appear reddish early in the morning

Answer 1

Sun rays contain seven colors out of that red color has got the highest wavelength and thus is not scattered away by the atmosphere and reach earth while other colors like blue etc gets scattered way. Thus, sky appear reddish.

Answer 2

Hello!

Here is your answer!
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 Sun appear reddish early in the morning is due to the following points below:

1)Because light rays have to travel longest distance in morning or evening 

2)So short wavelength color ( blue )can't travel or scatter long.

3)So longest wavelength (red) of color travel to our eyes and we see only red color so sun appear reddish early in the morning.
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Hope it helps!