Blue

HD 189733b looks deep blue from space, almost Earth-like at first glance — but its colour comes not from oceans, but from silicate particles in a scorching atmosphere where glass may rain sideways through winds of thousands of kilometres an hour.
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HD 189733b looks deep blue from space, almost Earth-like at first glance — but its colour comes not from oceans, but from silicate particles in a scorching atmosphere where glass may rain sideways through winds of thousands of kilometres an hour.

Rare blue moon to grace Guangzhou’s night sky on May 31
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Rare blue moon to grace Guangzhou’s night sky on May 31

Final Days to Upgrade and Experience the Samsung’s Best for Less in the Blue Tag Sale – samsung.com
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Final Days to Upgrade and Experience the Samsung’s Best for Less in the Blue Tag Sale – samsung.com