NASA’s Juno Reveals New Insights into Cosmic Ray Origins
via assets.science.nasa.gov
Short excerpt below. Read at the original source.
As planets and stars travel through the streams of charged particles flowing across space, their magnetic fields act like obstacles. Incoming particles are slowed and deflected, forming a boundary called the bow shock. Just ahead of this boundary lies the foreshock, a variable region where magnetic conditions can accelerate some particles to nearly the speed […]