We say we are looking back in time when we are looking at the stars because
A)we see stars as they once were when their light reaches us.
B)space curves,we are actually looking at the past when we look in the night sky.
C)stars are emitting immense radiation,we are seeing processes that have already happened.
D)Earth's atmosphere bends and distorts their light.

Question

Quizplus · Accepted Answer

When we look at the stars, we are essentially looking at their light that was emitted in the past. This is because the light from stars takes quite some time to travel to Earth, and thus what we see is actually how the star appeared at a past time. This is similar to seeing distant fireworks - we actually see them a few moments after they happen, because the light takes some time to reach our eyes.

We Say We Are Looking Back in Time When We