9 years ago
The Supermassive Black Hole That’s Growing Impossibly Fast
With a mass of 7 billion solar masses, this supermassive black hole compares favourably to some of the most massive known. Here is where it gets really interesting. Using a measurement known as redshift, which tells us how far away – and thereby how old – a galaxy is, the team could see that this supermassive black hole must have grown exceptionally fast. Most models predict black hole masses in the range of millions of solar masses, rather than billions, for a galaxy of this age.
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