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Which mechanism causes the precession of Mercury's orbit?

A)Spacetime curvature due to solar mass
B)Gravitational forces of outer planets
C)Electromagnetic drag from the sun
D)Tidal forces exerted by Venus

💡 Explanation

Perihelion precession occurs because spacetime curvature causes Mercury to travel along a path which deviates from Newtonian predictions of a static ellipse; therefore, we observe precession rather than purely Newtonian dynamics because of general relativity.

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