Which of the following planets can be seen in a crescent phase when observed from the Earth?
A) Mercury and Venus
B) Venus and Mars
C) only Venus
D) Jupiter and Saturn

Question

Quizplus · Accepted Answer

Mercury and Venus can be seen in a crescent phase from Earth because they are the only planets mentioned that orbit closer to the Sun than Earth does. This inner position allows them to exhibit phases similar to the Moon when viewed from Earth, including the crescent phase, as their visible portions can be partially illuminated by the Sun depending on their positions relative to Earth.

Which of the Following Planets Can Be Seen in a Crescent