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The ocean is blue because water absorbs red light

The ocean is blue because water absorbs colors in the red part of the light spectrum and leaves the blue.

Why it is true

The water works like a filter on sunlight. The sea can also take on other colors when light bounces off sediments and particles floating in it.

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Atomic clocks count 9,192,631,770 microwave oscillations of cesium atoms and call that interval one second.

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Earth's tectonic plates move at roughly the same rate that your fingernails grow.

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One nautical mile equals one minute of latitude, or about 1.15 land miles.

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