A Possible Galactic Portal System?

Source: ScienceAlert/www.sciencealert.com

Mysterious structures in the sky that have puzzled astronomers for decades might finally have an explanation – and it’s quite something.

The North Polar Spur and the Fan Region, on opposite sides of the sky, may be connected by a vast system of magnetized filaments. These form a structure resembling a tunnel that circles the Solar System, and many nearby stars besides.

More work is needed to first confirm the findings, and then model the structure in greater detail. But doing so may help to solve an even bigger mystery: the formation and evolution of magnetic fields in galaxies, and how these fields are maintained. It could also, the researchers said, provide context for understanding other magnetic filamentary structures found around the galaxy.

The team is planning to perform more complex modelling; but, they suggest, more sensitive, higher-resolution observations would help reveal hidden details that show how the structure fits into the broader galactic context.

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