Airy may refer to: * Sir

George Biddell Airy Sir George Biddell Airy (; 27 July 18012 January 1892) was an English mathematician and astronomer, and the seventh Astronomer Royal from 1835 to 1881. His many achievements include work on planetary orbits, measuring the mean density of the E ...

(1801–1892), British Astronomer Royal from 1835 to 1881, for whom the following features, phenomena, and theories are named: **

Airy (lunar crater) LRO WAC mosaic Oblique view from Apollo 14 Vicinity of Airy, as viewed from the Bayfordbury Observatory Airy is a lunar impact crater located in the southern highlands. It is named in honour of British astronomer George Biddell Airy ...

Airy (Martian crater) Airy may refer to: * Sir George Biddell Airy (1801–1892), British Astronomer Royal from 1835 to 1881, for whom the following features, phenomena, and theories are named: ** Airy (lunar crater) ** Airy (Martian crater) ** Airy-0, a smaller crat ...

Airy-0 Airy-0 is a crater inside the larger Airy Crater on Mars, whose location defined the position of the prime meridian of that planet. It is about 0.5 km (0.3 mile) across and lies within the dark region Sinus Meridiani, one of the early a ...

, a smaller crater within the previous one on Mars, and which defines the prime meridian of the planet **

Airy wave theory In fluid dynamics, Airy wave theory (often referred to as linear wave theory) gives a linearised description of the propagation of gravity waves on the surface of a homogeneous fluid layer. The theory assumes that the fluid layer has a uniform mea ...

, a linear theory describing the propagation of "gravity waves" on the surface of a fluid **

Airy disk In optics, the Airy disk (or Airy disc) and Airy pattern are descriptions of the best- focused spot of light that a perfect lens with a circular aperture can make, limited by the diffraction of light. The Airy disk is of importance in physics, ...

, a diffraction pattern in optics ** Airy beam, a non-spreading, transversely accelerating optical wavepacket **

Airy function In the physical sciences, the Airy function (or Airy function of the first kind) is a special function named after the British astronomer George Biddell Airy (1801–1892). The function and the related function , are linearly independent solut ...

, a mathematical function **

Airy points Airy points (after George Biddell Airy) are used for precision measurement ( metrology) to support a length standard in such a way as to minimise bending or drop of a horizontally supported beam. Choice of support points A kinematic support f ...

, support points chosen to minimize the distortion of the length of a physical standard (such as the International Prototype Meter) *

Anna Airy Anna Airy (6 June 1882 – 23 October 1964) was an English oil painter, pastel artist and etcher. She was one of the first women officially commissioned as a war artist and was recognised as one of the leading women artists of her generation. ...

(1882–1964), British artist *

Airy (software) Airy is software developed by Airy Team for downloading videos from YouTube. The first version of the product was released in 2013. Written in Objective C it was a basic downloading tool that could process one video at a time. CNET staff in the ...

, a video-downloading utility * Airy, a character in the video game ''

Bravely Default ''Bravely Default'', known in Japan as ''Bravely Default: Flying Fairy'', is a role-playing video game developed by Silicon Studio for the Nintendo 3DS handheld game console, handheld console. ''Bravely Default'' was originally released in 2012 ...

See also