Cosmic rays come from distant supernova explosions and other violent events across the cosmos.
SPACEWEATHER.COM NEWS: 03/21/2025
NEW EVIDENCE THAT COSMIC RAYS SPARK LIGHTNING: Every second, almost 50 bolts of lightning zig-zag across the skies of Earth. Despite centuries of study, however, researchers still aren’t sure how the bolts get started. Electric fields in thunderclouds are often too weak to ignite a powerful discharge.
A new study just published in the Journal of Geophysical Research may have solved the mystery.

