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Why is Uranus blue

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I know this is because methane absorbs red light but why
greenish blue why not bluish green why not some other
colour of the spectrum such as violet or orange
is this because our eyes are more sensitive
to certain colours or because these colours
are mixtures with some red in them or another reason

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From http://www.solarviews.com/eng/uranus.htm:

The greenish color of it atmosphere is due to methane. The blue-green appearance of its atmosphere results from methane and high-altitude photochemical smog. This gas absorbs red wavelengths from the incoming sunlight, leaving the predominant blueish color.
bluish green ar greenish blue is just a matter of semantics. On teh visible light spectrums the blue nd green are adjacent to each ...

Solution Summary

The expert determines why Uranus is blue.