- #1
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How is it that we are able to see galaxies that are billions of light years away considering that we are presumably traveling from the same origin? Would that somehow mean that the distance between the two galaxies was growing at a rate greater than the speed of light? If not, why not?
The same question holds for the cosmic background radiation--or is it since the universe was expanding long before the creation of this radiation, we are only seeing the radiation created on the outside boundaries?
Is the answer simply that there was a huge "head-start" between matter prior to the creation of light? If that's the case, then what existed prior to it? Were these particles traveling at the speed of light?
Perhaps this seems like a silly question, but it's one for which I have yet to get a good answer from my Astronomy101 teacher. :)
The same question holds for the cosmic background radiation--or is it since the universe was expanding long before the creation of this radiation, we are only seeing the radiation created on the outside boundaries?
Is the answer simply that there was a huge "head-start" between matter prior to the creation of light? If that's the case, then what existed prior to it? Were these particles traveling at the speed of light?
Perhaps this seems like a silly question, but it's one for which I have yet to get a good answer from my Astronomy101 teacher. :)