- The Chicago Astronomer -
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We are used to thinking of time as being constant, but it is a flexible dimension. Our region of space may have more intense gravity as compared to the distant places. From the frame of reference of those more distant parts, time in our region would be running slowly. From our frame of reference, time in those remote locations would be running faster. We would see local space expanding at one speed, and space further away expanding faster. As a result, the universe may not be accelerating in its expansion. If we are inside gravity well, we may incorrectly be interpreting our view of the universe as accelerating expansion.
If the universe is a ball the size of America, then the solar system is almost as large as the smallest cell in the human body.
Post by Chicago Astronomer Joe on Aug 22, 2005 20:38:00 GMT -6
I think you are on the right track.
Mankind has always thought itself as the ultimate authority on what goes on around him, but in reality, knows very little. We really only know physically just out to the start of the Heliosphere shell, where the Voyagers are now surfing...and that isn't even all that much. (The Voyagers are telling us that they are accerlerating, being pulled or pushed by an unknown force.) Other than that, it's mostly observation in different wavelenghts and speculation.
We could be in a gravity well and time references could be a local phenomenon. We can better study other objects from the outside than we can at ourselves, and with the vast distances involved...it's rather tainted.
Astrophysics can explain much, but we only actually know as far as we can reach. And that isn't that far yet.