What types of charged particles primarily form the Van Allen radiation belts around Earth?
Answer
Protons and electrons
The Van Allen radiation belts are zones of energetic charged particles that are captured and held in place by the magnetic field of the Earth. These trapped particles consist primarily of protons and electrons. Spacecraft traversing these regions are exposed to constant bombardment by these particles, which can lead to total ionizing dose degradation in sensitive electronic components like semiconductors as charges accumulate over time.
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