Aerial means of, in, or caused by air. Can refer to existing or living in the air. Describes something reaching high into the air. Refers to something suggestive of air or light. Can describe something unreal or unsubstantial
Sunlight is a mixture of all colors, appearing white to humans. Air molecules scatter sunlight by oscillating charged particles. Blue light scatters 10 times more efficiently than red light
Prandtl number (Pr) is dimensionless ratio of momentum to thermal diffusivity. Formula: Pr = μ cp / k, where μ is viscosity, cp is specific heat, k is thermal conductivity
Atmosphere is Earth's deep gaseous blanket extending thousands of km above surface. Atmospheric pressure at sea level is 1034 gm/cm². Nitrogen and oxygen make up nearly 99% of clean dry air
Airbnb is legal in Vienna with per-person city tax. Only 20% of building space can be used for Airbnb in residential zones. Airbnb offers apartments and houses in city center and wooded hills
Air is a mixture of gases including oxygen required for breathing. Airspace refers to the atmosphere above a nation's jurisdiction. Air is a slight, usually refreshing wind