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← ScienceWhich observation verifies gravitational space-time curvature near pulsars?
A)Perihelion precession Mercury-like orbits✓
B)Pulsar wind nebula synchrotron radiation
C)Gravitational lensing background galaxies
D)Hawking radiation near event horizon
💡 Explanation
Perihelion precession validates space-time curvature because Mercury's orbit shifts more via general relativity; the **Shapiro delay** influences the orbiting pulsar's timing. Thus, A rather than C indicates local gravitational effects, rather than distant light bending.
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