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back to article Black holes bigger than first thought

A bit of “astronomical shorthand” applied to make galactic mathematics easier to deal with might have to be abandoned, according to researchers from Swinburne University. According to Professor Alister Graham from Swinburne’s Centre for Astrophysics and Supercomputing, the decade-old assumption that black holes account for a …

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I wonder

whether this has implications for the calculated distribution of dark matter?

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Silver badge

Re: I wonder

From what I read in the full article, not really. It's more like that the total mass of a galaxy stays the same, but the ratio of distribution of mass is skewed towards the central black hole compared to the visible stuff as the galaxy grows larger.

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Re: I wonder

Correct.

Black holes may still be involved in darkmatter, but they would be of the "supersmall" variety:

http://phys.org/news/2011-09-primordial-black-holes-dark.html

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Anonymous Coward

Re: I wonder

I believe the relationship is (or should be) with the age of the galaxy, not specifically it's size, thus...

the ratio of distribution of mass is skewed towards the central black hole compared to the visible stuff as the galaxy grows <b>older</b> - my emphasis.

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