The further out into the universe we are looking, the \"further back in time\" we are seeing...

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Physics

Thefurther out into the universe we are looking, the \"further back intime\" we are seeing due to the time light takes to travel to us.
Assuming the expansion of the universe is uniform throughoutall space, the further away something is, the faster it isexpanding away from us.
So, couldnt we say that the universe is expanding faster inthe past, and, therefore, slower in the present?

While I know it has something to do with speed of expansionrelative to an observer as well as the perception of looking intothe past versus something actually being in the past, I am having ahard time articulating an answer to the question.

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4.5 Ratings (616 Votes)

astronomer Edwin Hubble discovered the expansion of the universe by observing that other galaxies are moving away from ours He noted that the more distant galaxies were receding faster than nearby ones in accordance with what is now known as Hubbles law relative velocity equals distance multiplied by Hubbles constant Viewed in the context of Einsteins general theory of relativity Hubbles law arises because of the uniform expansion of space which is merely a scaling up the size of the universe In Einsteins theory the notion of gravity as an attractive force still holds for all known forms of See Answer

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