★ Aeronautical engineering deals with vehicles which operates in the atmosphere

★ Aeronautical engineering deals with vehicles operating in space.

★ Aeronautical engineering works on tunnel tests, analyzing flight test data, manned space flights, planning future space missions, spacecraft operations, designing and testing robotic systems, developing new propulsion system, computing optimum flight trajectories,developing communication systems for distance space probes and designing new rockets.

★ Astronautical engineer includes designing power systems for spacecraft structure, developing communications systems for distant space probes, developing hardware skills for operations in spacecraft, designing and testing robotic systems, developing new propulsion systems and computing optimum flight.