Okay, kiddo! So imagine that you are standing in a big circle with your friends, and each of you is holding a big ball. Now, let's say you all start walking around the circle while keeping the balls in your hands. At some point, you may realize that all of you are lined up in a straight line, with the balls all in a row. This is called a syzygy!
In math, syzygy means when a bunch of things (like planets or stars) line up in a straight line with each other. It's like when you draw a line between two points on a piece of paper, except in space. This happens a lot in astronomy when we study the positions of planets and stars.
Syzygy is an interesting concept because it can have different effects depending on what is lining up. For example, during a solar eclipse, the Sun, Moon, and Earth all line up, causing the Moon to block the Sun's light from reaching the Earth.
In short, a syzygy is when things line up in a straight line, and it can have different effects depending on what is lining up.