A groundbreaking simulation of the galaxy’s magnetic turbulence has upended our understanding of astrophysical environments. Developed by James Beattie, a postdoctoral fellow at the University of Toronto and Princeton University, this model simulates space in high-definition, spanning 30 light-years wide to tiny pockets 5,000 times smaller.
The simulation reveals the chaotic dance of particles in the interstellar medium with unprecedented precision, mapping density shifts from near-empty space to dense clouds where stars are born. The magnetic field, millions of times weaker than a refrigerator magnet, plays a crucial role in shaping star formation, cosmic ray travel, and even Earth’s magnetic field.
“We can now quantify the effects of magnetic turbulence on star formation,” Beattie said. “This model will help us better understand how magnetism influences the behavior of stars and galaxies.”
The simulation also scales down to study the solar wind, which streams from the Sun and generates brilliant auroras. Early tests comparing the model’s results to real-world data look promising, suggesting that it could be used to predict space weather.
As more powerful radio telescopes come online, the model can be fed data to improve its accuracy. Deciphering the universe’s secrets requires both observation and solid models of cosmic forces like magnetism. This new simulation brings us closer to an accurate portrait of our galaxy, revealing the hidden role of magnetic fields in shaping the cosmos.
Source: https://gizmodo.com/most-detailed-simulation-of-magnetic-turbulence-in-space-is-surprisingly-beautiful-2000606528