The use of space science and astronomy, to explore and study of outer space. Study on physical space can be done either by a spaceship controlled by humans or by robots.
The use of astronomy and space science to space exploration and study outside. Education in physical space can be done either by spacecraft controlled by humans or by robots.
The science of astronomy and space to explore and study the space outside. Study of space in the physical can either by the spacecraft control by human or robot.