1) the sky, heavens and all that is in them (firmament)
the mixture of gases that surrounds the Earth and which we breathe
gases forming the atmosphere
the mixture of gases surrounding the Earth
gases around the earth
the amount, measure, of space or time between two points etc
interval, range
of sky
earth's atmosphere
the space we look up to from the earth, where we see the sun, moon and stars
earth's atmosphere
the layer of atmospheric air between about 10 and 60 km above the earth's surface
air