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← ScienceWhich risk increases to spacecraft avionics when exposed to increased high-energy cosmic rays?
A)Increased differential charging effects.
B)Single-event upset (SEU) probability.✓
C)Material degradation from sputtering.
D)Reduced telemetry transmission bandwidth.
💡 Explanation
Increased cosmic ray flux raises the risk of Single-Event Upsets because ionization alters transistor states within memory cells affecting stored data. Therefore SEU risk increases, rather than differential charging which is a related, but separate mechanism.
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