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← ScienceWhich outcome results when a spacecraft's magnetometer approaches a planet's magnetopause?
A)Increased magnetic field fluctuations✓
B)Stabilized plasma wave damping
C)Decreased energetic particle flux
D)Uniform magnetic field alignment
💡 Explanation
Increased magnetic field fluctuations occur closer to the magnetopause because the dynamic interaction of the solar wind and the planet's magnetic field creates regions of turbulence which induce broadband kinetic Alfven-wave excitation; therefore field fluctuations greatly increase, rather than stabilizing damping, under uniform flow conditions.
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