After all that building, Eon gets to turn his moving moon into a real movie. He clicks Render → Render Animation, and something quietly amazing happens.
Animation = a stack of pictures
The computer doesn't make a "video" in one go. It renders one frame at a time — frame, then the next frame, then the next — each a separate still picture.
A frame is one still image. Show a bunch of them quickly, one after another, and your eyes blend them into smooth motion. That's all an animation is — like a flipbook.
Eon watches it build "one frame, one frame, one frame," each one finishing before the next begins. (And the camera stays put, so every frame is shot from the same view he set up.)
Quality costs frames
Eon's dad bumped the quality way up, which means lots of detailed frames to render — and that's why the next lesson is all about waiting.
Try it
Make a tiny flipbook: draw a dot moving across the corners of 10 pages, then flip fast. Those 10 drawings are frames — exactly what Blender is rendering, just with a glowing 3D moon instead of a dot.