Re: Was Einstein's 'biggest blunder' a stellar success? (Forwarded)



"Jeff Root" <jeff5@xxxxxxxxxxxx> wrote in message
news:1132737582.835726.306600@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>> "The significance is huge," said Professor Ray Carlberg of
>> the Department of Astronomy and Astrophysics at U of T.
>> "Our observation is at odds with a number of theoretical
>> ideas about the nature of dark energy that predict that it
>> should change as the universe expands, and as far as we
>> can see, it doesn't."
>
> Does that mean that the expansion did NOT first decelerate
> for a billion years or two before it began to accelerate?

(I think the timing is more like about 7byr of deceleration followed by 7byr
of acceleration)

No, it just means that they are narrowing the field of possible "Dark
Energy" candidates. Einstein's "Cosmological Constant" is looking more and
more golden.


.



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