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That's why moonlight looks bluish, when it's actually the same color as sunlight.

As a result, affected lighter skins adopt a bluish or greyish tinge.

These are just two proposals that planetary scientists have come up with for what lies beneath the thick, bluish, hydrogen-and-helium atmospheres of Uranus and Neptune, our solar system's unique, but superficially bland, ice giants.

The bluish shades of the work reminded viewers of large expanses of the sea or sky.

It is also a blue moon but those hoping to see a bluish shade to the satellite are out of luck.