Any scientific discipline concerned with the study of phenomena occurring in space, or with space flight.

motion sickness caused by the weightlessness of space flight

A spacecraft.

All the objects in orbit around the Earth that were created by human activity, but now have no useful purpose.

(space science) A robotic space vehicle designed to voyage beyond Earth's orbit.

(transitive) To position (objects, people etc.) at regular intervals with a calculated space between them. / (intransitive, idiomatic) To become distracted or disoriented; to lose attention or focus.

A system of protective and pressurized clothing, together with environmental equipment, worn by astronauts when in space. / A pressurized protective outfit worn by people working with extreme biohazards.

Any woven material, used for the screening and sieving of solids, having a specified space between strands.

(computing) A key, in the shape of a bar, near the bottom of a keyboard, that generates a space character when pressed.

(physics) The component of an electromagnetic wave (especially a radio wave) that travels directly from transmitter to receiver without being reflected