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    Plasma jets tagged posts

    Plasma Jets reveal Magnetic Fields far, far away

    May 25, 2021, Categories  Astronomy/Space

    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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    How to Escape a Black Hole: Simulations provide new clues about powerful Plasma jets

    January 27, 2019, Categories  Astronomy/Space

    This visualization of a general-relativistic collisionless plasma simulation shows the density of positrons near the event horizon of a rotating black hole. Plasma instabilities produce island-like structures in the region of intense electric current.
    Credit: Kyle Parfrey et al./Berkeley Lab

    Interplay of twisting magnetic field, ‘negative-energy’ particles. How do black holes purge energy locked up in their rotation, jetting near-light-speed plasmas into space to opposite sides in one of the most powerful displays in the universe? These jets can extend outward for millions of light years.

    New simulations led by researchers working at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley have combined decades-old theories to provide new insight ...

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