Why Is Neptune Blue?

Answer

Neptune appears to have a blue colour because its atmosphere is mainly made up of hydrogen, helium and methane. Methane absorbs the red light from the sun and then reflects the blue light into space giving it the bright blue colour.
Q&A Related to "Why Is Neptune Blue"
The best related information I have come across says: Neptune's atmosphere extends to great depths, gradually merging into water and other melted ices over a heavier, approximately
http://www.quora.com/Neptune-planet/Why-is-Neptune...
Because of the methane and chromophore in neptunes atmosphere!
http://wiki.answers.com/Q/Why_is_Neptune_blue_AND_...
Neptune's blue color is largely the result of absorption of red lig...
http://www.chacha.com/question/why-is-the-planet-n...
although there is the absorption of red light by methane in the atmosphere, there is some additional as-yet-unidentified molecule(s) which gives the clouds their rich blue tint. Its
https://uk.answers.yahoo.com/question/index?qid=20...
2 Additional Answers
Neptune's atmosphere is made out of hydrogen, Helium and Methane. Neptune's atmosphere absorbs the red light from the sun but due to methane it looks cloudy blue.
The planet Neptune has a blue color to it due to methane gas in the atmosphere around it. This planet is the furthest planet away from the sun.
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