plasma physics

Most detailed sun images ever reveal plasma vortices

Scientists have captured the highest-resolution images ever taken of the sun's surface, revealing turbulent, vortex-like plasma structures and providing the first direct evidence of a long-theorized physical process at work on our nearest star. The findings, published Wednesday in the…

Scientists produce first spectral map of a black hole’s event horizon

Researchers have moved beyond photographing a black hole to diagnosing its physical properties, producing the first spatially resolved spectral-index map of the supermassive black hole M87* at the scale of its event horizon. The study, published Monday in The Astrophysical…