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Dark energy may disguise shape of universe

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posted on Aug, 3 2009 @ 06:41 PM
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WE LIVE in a special time. For the past two decades, most of my colleagues and I have been working under the assumption that we can know everything about the universe. We know the amount of matter and energy it contains. We know its shape is flat. We can trace its history from the earliest moments after the big bang and we can even predict its fate. Or at least we thought we could.

Why were we so confident? Exquisite measurements of the radiation left over from the big bang led us to believe that we could work out the curvature of the universe to within a few per cent. In doing so, we have determined how much energy the universe contains and that most of it is in an exotic form called dark energy, which is driving the expansion of space.

However, recent discoveries have left me wondering if these claims were premature. As we learn more about dark energy and its effect on the expansion of space and time, we find that dark energy and the shape, or geometry, of the universe are worryingly intertwined.

Read the full article here.

I like what the guy is saying in this article, its good to see somebody acknowledging we maybe don't know everything we thought we did.

Maybe we are just unable to truly know the geometry of the universe, at least for the foreseeable future anyway.




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