Synonyms to empty space

acreage, area, breadth, continuum, dimension, emptiness, expanse, expansion, extension, extent, field, galactic space, infinite space, interstellar space, measure, nothingness, outer space, proportion, space, spatial extension, sphere, spread, superficial extension, surface, tract, void, volume, aerospace, CAT, aerial, aerophysical, aerosphere, aerotechnical, air hole, air pocket, air-conscious, air-minded, air-wise, airsick, airspace, airworthy, aviational, bump, ceiling, crosswind, favorable wind, fog, front, head wind, high-pressure area, hole, ionosphere, jetstream, low-pressure area, overcast, pocket, roughness, soup, stratosphere, substratosphere, tail wind, tropopause, troposphere, trough, turbulence, visibility, visibility zero, atmosphere, biosphere, ecosphere, gaseous envelope, lift, noosphere, substratospher