Think you know what the Moon looks like? Think again. From stars “shining” inside the crescent to moons that appear at the wrong time of day, most movies, books, and even kids’ drawings get it wrong.

In this fascinating video, MinutePhysics breaks down the five most common Moon mistakes and shows how you can actually get it right, using nothing more than a ball and sunlight. Warning: once you learn these, you’ll never look at an illustrated Moon the same way again!