Question

Give reason: sky appears dark instead of blue to an astronaut in space.

Answer 1

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

Answer:

Explanation:

The sky appears blue when the scattering of light takes place through the atmosphere.The blue color of the sky is due to scattering of light from the atmosphere.As there is no atmosphere in space and hence light does not scatter into its constituent colors that is why the sky appears dark instead of blue to an astronaut in space.