Trivia: What term means the alignment of three or more celestial bodies?
Perihelion
Apastron
Achondrite
Syzygy
The correct answer is Syzygy
So why is this answer correct? : A syzygy occurs when three or more celestial bodies are aligned in a straight line. This can refer to the alignment of the Earth, moon, and sun, which can cause a solar or lunar eclipse, or to an alignment of the planets. Medieval scholars were fascinated with syzygies, as it was speculated that the end of the world would occur when all of the planets were in alignment.