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Plasma Jets reveal Magnetic Fields far, far away

A black hole (marked by the red x) at the centre of galaxy MRC 0600-399 emits a jet of particles that bends into a ‘double-scythe’ T-shape that follows the magnetic field lines at the galaxy subcluster’s boundary.
(Image Credit: Modified from Chibueze, Sakemi, Ohmura et al. (2021) Nature Fig. 1(b))

Radio telescope images enable a new way to study magnetic fields in galaxy clusters millions of light years away. For the first time, researchers have observed plasma jets interacting with magnetic fields in a massive galaxy cluster 600 million light years away, thanks to the help of radio telescopes and supercomputer simulations. The findings, published in the journal Nature, can help clarify how such galaxy clusters evolve.

Galaxy clusters can contain up to thousands of galaxies bound to...

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