Board Thread:Speculation House/@comment-36817091-20191207051735/@comment-36817091-20191207063040

The thing is, our moon is tidally locked, meaning that when it's illuminated, it's always the same face that's illuminated. If it weren't tidally locked, we would see a different face at each full moon, but there would still be full and new moons, unless it were never between the Earth and sun.