Strong radial magnetic fields can make a plasma pinch like the hourglass-shaped nebula above; produce characteristic filaments like in the plasma ball (top row); and produce particle beams as seen in the dense plasma focus.
![Ant Nebula (rotated)](https://www.plasma-universe.com/wp-content/uploads/Ant-nebula-rotated.jpg)
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Strong radial magnetic fields can make a plasma pinch like the hourglass-shaped nebula above; produce characteristic filaments like in the plasma ball (top row); and produce particle beams as seen in the dense plasma focus.