Black Holes Bulk-Up on Dark Matter

February 18, 2015 6:17 PM

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It has long been assumed that the size of a supermassive black hole in a galaxy’s core is intimately related to the number of stars that galaxy contains — but it might not be that simple after all.

The visible stars and gas in a galaxy can therefore be thought of as just the ‘hub’ of that galaxy; the rest of the ‘wheel’ extends far into intergalactic space, but as it is composed of dark matter, which does not interact with electromagnetic radiation (light), it cannot be seen.

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