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In space, thrusters are essential for maneuvering because there is no atmosphere to "push" against. They work based on Newton's third law—ejecting mass in one direction to move the craft in the opposite direction.

Transverse propulsion devices built into the front or back of a ship's hull to move the vessel sideways for easier docking. T_hrustrar

A newer, quieter design where the electric motor is built into a ring around the propeller blades, reducing vibration and increasing efficiency. In space, thrusters are essential for maneuvering because

Small thrusters used for attitude control (orienting the ship) and station-keeping (maintaining a specific orbit). T_hrustrar

Marine thrusters are specialized propulsion systems that allow large vessels to move with precision, often eliminating the need for tugboats in tight spaces.