Question

If light from stars takes
years to reach us, I
wonder if we are looking
into the past when we
look at stars.​

Answer 1

Answer: When you look at a star, you are looking at the light that came from the star. Because stars are so far away, it takes years for their light to reach us. Therefore, when you look at a star, you are actually seeing what it looked like years ago.

Explanation: When you look at a star, you are looking at the light that came from the star. Because stars are so far away, it takes years for their light to reach us. Therefore, when you look at a star, you are actually seeing what it looked like years ago.