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simulationsCaltech
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New computer simulation upends ideas about supermassive black holes that astronomers have held since the 1970s .
It paves the way for new discoveries about how black holes and galaxies grow and evolve.
The new simulation shows magnetic fields play a much larger role than previously believed in forming and shaping the huge disks of material that swirl around and feed the black holes.
To do that, the researchers had to build a simulation with a resolution that is more than 1,000 times greater than the previous best.
Caltech -led team used a code they call GIZMO for both the large- and small-scale simulation projects.
They built the FIRE project so that all the physics they added to it could work with the STARFORGE project.
The new simulation found that the pressure from the magnetic fields of such disks was 10,000 times greater than the heat of the gas.
This realization changes a host of predictions scientists can make about such accretion disks.
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