Which of these planetary configurations is NOT possible for the planet Mercury?
A) inferior conjunction
B) superior conjunction
C) greatest elongation
D) opposition

Question

Quizplus · Accepted Answer

Mercury, being an inferior planet (one that orbits closer to the Sun than Earth does), cannot be in opposition to Earth. Opposition occurs when a planet is on the opposite side of the Earth from the Sun, which is only possible for superior planets (those that orbit farther from the Sun than Earth does).

Which of These Planetary Configurations Is NOT Possible for the Planet