I'm working on a story that takes place on a world that has 3 moons. At least 2 of the moons are the same size. They align extremely rarely. Otherwise, it's an earth-like planet.
There is one sun and possibly other planets nearby. Imagine if Earth had 3 moons that were all relatively the same size, perhaps in orbits that were so similar it would take them centuries to align. Assuming they would likely be tidally locked like Earth, would they effect each other, or gravity on the planet perhaps?
Similar, specifically about tides: How would having multiple moons affect tides?.