Answer:
The upper levels of Neptune’s atmosphere appear blue because of the presence of Methane in its atmosphere .
Explanation:
Neptune -
Neptune is the eighth planet of the solar system ,
The composition of Neptune's atmosphere is mainly hydrogen , helium and methane gas .
The Methane in the atmosphere of the Neptune absorbs the red light from the sun and reflects the blue color into the atmosphere , Hence ,
The atmosphere of Neptune appears to be blue in color .
