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Why does the sky appear dark instead of blue to an astronaut?

Science - Science

Chapter _The Human Eye and the Colourful World


Since there is no atmosphere in the outermost zone of the Earth,  there are no micro dust particles to distort and act as a medium for light to disperse into different colors.
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The sky appears dark instead of blue to an astronaut because there is no atmosphere in the outer space that can scatter the sunlight. As the sunlight is not scattered, no scattered light reach the eyes of the astronauts and the sky appears black to them.
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