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space storms
When space weather is bad, dangerous particles abound and so space weather has become a general term for the environmental conditions above the earth's atmosphere: "Space storms include protons and ions, known as galactic cosmic rays (GRCs), raining down at near-light speed from space, and similar particles coming in bursts from the sun, called solar energetic particles (SEPs)."
This entry is located in the following unit: Astronomy and related astronomical terms (page 24)