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But what all the estimates have in common........is that our earth is a relatively new comer in the universe.......


Image result for expanding universe
When scientists talk about the expanding universe, they mean that it has been growing ever since its beginning with the Big Bang. The galaxies outside of our own are moving away from us, and the ones that are farthest away are moving the fastest.

What does it mean when they say the universe is expanding ...

https://www.loc.gov/rr/scitech/mysteries/universe.html

The Expanding Universe - SkyServer - SDSS

skyserver.sdss.org/dr1/en/astro/universe/universe.asp
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When he plotted redshift against relative distance, he found that the redshift of distant galaxies 

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