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HELP ME PLEASE!!!

If I were to look at a distant star that was 136 light years away, I would be seeing it
as it was how many years ago?

Sagot :

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. It is entirely possible that some of the stars you see tonight do not actually exist anymore