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← ScienceWhich risk increases when relying only on inertial navigation during prolonged spaceflight?
A)Thruster misalignment remains undetected
B)Cumulative position error grows unboundedly✓
C)Radiation shielding becomes incrementally damaged
D)Life support systems exhibit entropy
💡 Explanation
Relying only on inertial navigation causes unbounded error growth because *drift error* accumulates, therefore a small constant error perpetually skews position; This occurs rather than bounded oscillation from external references.
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