The gases surrounding the Earth or any astronomical body.
Extras in a scene who have no spoken lines.
The conditions (such as music, illumination etc.) that can influence the mood felt in an environment.
The apparent mood felt in an environment.
A unit of measurement for pressure equal to 101325 Pa (symbol: atm)
The air in a particular place.
A stream of gaseous material emanating from an active galactic nucleus.
Any outward movement.
Something that flows out of a sewage treatment plant.
The process of flowing out.
A fluid that flows out.
The part of a system that allows material to flow out.
To flow outward.