Question

why does the sky appear dark instead of blue to an astronaut​

Answer 1

Answer:

Explanation:The sky appears dark instead of blueto an astronaut because there is noatmosphere in the outer space that can scatter the sunlight. As the sunlight is not scattered, no scattered light reach the eyes of the astronautsand the sky appears black to them.

Or,

To observe the colour of sky ,scattering of light is important which is only possible due to presence of atmosphere , and in space there is no existence of atmosphere therefore scattering of light doesn't occur .So , to an astronaut sky appears dark instead of blue.

Answer 2

Explanation:

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.