A solar or lunar eclipse may occur when the line of nodes (intersection of orbit planes of the moon around the Earth and the orbit plane of the Earth around the sun)
A) points at the sun.
B) is 90 degrees to the sun's direction.
C) Wrong! The line of intersection is irrelevant.

Question

Quizplus · Accepted Answer

A solar or lunar eclipse can occur when the line of nodes points at the sun, aligning the Earth, moon, and sun in a straight line, allowing the shadow of one body to fall on another.

A Solar or Lunar Eclipse May Occur When the Line