Posts by Oansup Choi
When a cosmic ray (typically a proton or a heavier atomic nucleus)
When a cosmic ray (typically a proton or a heavier atomic nucleus) or a γ-ray (a high-energy photon) collides with a molecule in Earths atmosphere, i...
When a cosmic ray (typically a proton or a heavier atomic nucleus) or a γ-ray (a high-energy photon) collides with a molecule in Earths atmosphere, i...
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