When we look at the Andromeda Galaxy tonight though our telescope, we see this galaxy
a) as it was just after the big bang
b) as it was 3.2 years ago as it was when the light left this galaxy
c) as it is now because light travel instantaneously
d) as it was 2.5 million years ago when the light that we are seeing today left that galaxy
Ans: d) as it was 2.5 million years ago when the light that we are seeing today left that galaxy
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