Correct Answer:
Option A - To an astronaut, the sky looks dark and black instead of blue because there is no atoms here containing air in the outer space to scatter sunlight. So, there is no scattered light to reach our eyes in outer space, therefore the sky looks black there.
A. To an astronaut, the sky looks dark and black instead of blue because there is no atoms here containing air in the outer space to scatter sunlight. So, there is no scattered light to reach our eyes in outer space, therefore the sky looks black there.