Question

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

Answer 1

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.

Answer 2

Answer:

due to atmosphere

Explanation:

our Earth has an protective barier atmosphere now when sun rays cone and enter the atmosphere due to the wavelength of the light the blue colour split more than any other colour so we can see blue whearas outside of atmosphere the astronaut can see the sky black because of the sun rays wavelength doesn't work in vaccum