Question

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

Answer 1

Answer:

Because the sky appears us blue because of Refraction of light, and light gets refracted because of the dust particles in air and there is nothing in the space to refract the light.So it appears as dark

Answer 2

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Answer:

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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