What distinguishes Galactic Cosmic Rays (GCRs) from Solar Energetic Particles (SEPs) regarding their origin?

Answer

GCRs originate from outside our solar system, such as supernovae remnants.

SEPs originate from the Sun during eruptions, whereas Galactic Cosmic Rays (GCRs) are always present and originate from sources beyond the solar system.

What distinguishes Galactic Cosmic Rays (GCRs) from Solar Energetic Particles (SEPs) regarding their origin?
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