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NASA’s Juno Reveals New Insights into Cosmic Ray Origins - NASA Science

NASA’s Juno confirms high-energy electrons accelerate in Jupiter’s foreshock, near the bow shock.
The speeds scale with Jupiter’s larger bow shock, linking particle energy to planetary size.
The study demonstrates a scaling relationship between electron speeds and Jupiter’s magnetic environment.
Scientists connect Jupiter’s acceleration process to cosmic rays observed from supernovas across the galaxy.
Juno’s findings build on prior missions MMS and THEMIS and extend to larger planetary systems.
Nature published the research detailing Jupiter’s foreshock acceleration mechanism.
The work links solar energetic particles to broader cosmic ray processes in the universe.
The research suggests a universal mechanism for particle energization in magnetic environments.
The article emphasizes the foreshock as a key region where acceleration begins.
Juno’s measurements around Jupiter were crucial to confirming the acceleration mechanism.

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