The video shows a robotic arm on a spacecraft, which is brushing the surface of a planet. The arm is equipped with a brush that is used to remove dust and debris from the surface. The video is in black and white, and the robotic arm is shown in various angles, including close-ups of the brush in action. The brush is made of bristles and is attached to the arm, which moves it back and forth across the surface. The video also includes shots of the surface before and after brushing, showing the difference it makes.