The eastern elongation of Mercury's orbit
A) is always the same.
B) depends both on Mercury's position in its orbit and on Earth's position in its orbit.
C) is always smaller than the western elongation.
D) is always the same as the western elongation.

Question

Quizplus · Accepted Answer

The eastern elongation of Mercury's orbit depends on both Mercury's and Earth's positions in their respective orbits, as these positions determine the angle at which Mercury is observed from Earth.

The Eastern Elongation of Mercury's Orbit