Question

the sky appear dark instead of blue at the astronaut stated season

Answer 1

in the space there is no atmosphere thus no atmospheric refraction takes place due to which sky appears black to astronaut 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.