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To: ckilmer
I have not seen pictures of the direction of space from which the presumably the big bang originated.

But you have!

Because of the finite speed of light, when you see a galaxy 14 billion light-years away, you are looking at something that existed 14 billion years ago. You are looking into the past. All of spacetime: both space and time are moving away from the Big Bang. When you look at a galaxy 14 billion years ago, you are looking in the temporal direction of the Big Bang.

98 posted on 01/24/2015 12:05:24 PM PST by FredZarguna (O, Reason not the need.)
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To: FredZarguna

When you look at a galaxy 14 billion years ago, you are looking in the temporal direction of the Big Bang.
.............
This is very hard to picture because the galaxies that are from 14 billion years ago are also presumably furthest away. I thought that when we see those slow zooms to the most distant galaxies whose light comes to us from 14 billion years ago—that we were also looking at the edge of the universe where galaxies are expanding outward the fastest— so that even though their light comes to us from 14 billion years ago — these galaxies right now are 14 billion light years ahead of us in the direction of the expansion of the universe.

So in effect the origin of the big bang is in the direction of the light or 180 degrees from these distant galaxies as the light passes by the earth and journeys to the place from which the big bang came—or 180 degrees away from these distant galaxies in the opposite direction. That direction is the opposite end of the telescope when its gazing at the galaxies furthest distant.

Now here please correct my understanding.


100 posted on 01/25/2015 12:45:09 PM PST by ckilmer (q)
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