A short while ago a story came out that a NZ astronomer reckons that dark energy is simply the result of not allowing for the bubbles in the universe... that the reason we think we need dark energy is that the assumptions are for a smooth mass distribution rather than allowing for the gravity well effect on our measurements of time.

They reckon that if we measured time from in the voids we would think the universe is 18 billion years old and we wouldn't need dark energy.

It seems that he made some calculations (there are suggestions on the web of errors in the calcs) based on a paper of a few weeks earlier. (Kolb et al) In any case I am not at all qualified to comment on any of this... I was wondering what the experts reckon?

http://www.abc.net.au/science/articl...e&topic=latest

Earlier paper: http://arxiv.org/abs/hep-th/0503117

But does this explain the rotational aberrations astronomers claim to see in distant galaxies?

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Heh.
Does the word "furphy" travel outside of Australia? That's certainly the first time I've encountered it.

Grant Hutchison

I has now...

http://en.wikipedia.org/wiki/Furphy

I think it means hinky.

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jwj

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That's the first time I've encountered "hinky", too.
Talk about nations divided by a common language ...

Grant Hutchison

Y'know him, Furphy, the inventor of "furphy's law".

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Nah mate I dont think so... I, (like grant...) had not seen hinky before. Looked it up and it sorta seems to me to mean 'sus' (which of course is suspicious...) although hinky might be closer to meaning 'sus for no obvious reason', kinda like 'dodgy'... looks alright at first glance... but sometin aint right.

A furphy is where you get something wrong.... you were led up the garden path.... leaving you in that famous creek....

I Hawking is correct, and the universe is full of micro black holes, could not they, plus the other ones we cannot see because they have exhausted the material around them, account for Dark Matter?

oops, you meant dark energy, ah well.

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