(psychology) The awareness of the position, size, form, distance, and direction of an object, or of oneself

(architecture) A three-dimensional truss, often of steel, forming a rigid, stable structure

The competition between nations in the field of space exploration.

A journey, by a human or robotic spacecraft, into space for a specific reason (normally to gather scientific data)

(computing) a parameter (in some file systems) that specifies the storage space required for a new file

(astronomy) The reddening of the light from distant stars because of selective absorption and scattering by interstellar dust

Any activity performed by an astronaut outside of a space vehicle in space.

(uncountable) Flight into, from or through space. / (countable) A voyage in space.

The shaped cavity in a compression mold in which the substance to be molded is loaded

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.