That's a great question! It depends on what you mean by "look like".

Here's the thing:

* The moon is a sphere: It's a round ball in space, not a flat circle.

* We only see one side: We always see the same side of the moon because it's tidally locked to Earth.

* From Earth, it appears as a circle: Because we are so far away, the moon's curvature is barely noticeable.

* It can be a bright circle: During a full moon, the sun illuminates the entire face of the moon, making it appear as a large, bright circle in the sky.

So, in a way, the full moon does "look like" a big bright circle from our perspective. But it's important to remember that it's actually a sphere.