* Spherical coordinates

Spherical coordinates ( r, θ, φ ) as commonly used in physics: radial distance r, polar angle θ ( theta ), and azimuthal angle φ ( phi ).

Spherical coordinates ( r, θ, φ ) as often used in mathematics: radial distance r, azimuthal angle θ, and polar angle φ.

Spherical coordinates are one of the most used curvilinear coordinate systems in such fields as Earth sciences, cartography, and physics ( in particular quantum mechanics, relativity ), engineering, etc.

* Spherical coordinate system # Integration and differentiation in spherical coordinates

* Thin Spherical Lenses on Project PHYSNET.

Spherical trigonometry was studied by early Greek mathematicians such as Menelaus of Alexandria, who wrote a book on spherical trigonometry called Sphaerica and developed Menelaus ' theorem.

Spherical aberration of collimated light incident on a concave spherical mirror.

The complete list of such manifolds is given in the article on Spherical 3-manifolds.

* Cradle – Spherical bowl turned on its side, typically connected with a bowl.

Spherical codes are higher-dimensional analogues of Tammes problem, which arose as an attempt to explain the distribution of pores on pollen grains.

He was the Principal Investigator ( PI ) on the Spacelab 3 mission NASA Drop Dynamics ( DDM ) experiments, PI on the NASA SPAR Flight Experiment # 77-18 " Dynamics of Liquid Bubble ," PI on the NASA SPAR Flight Experiment # 76-20 " Containerless Processing Technology ," and PI on the Department of Energy Experiment " Spherical Shell Technology.

* An Elementary Treatise on Plane and Spherical Trigonometry, Boston: James Munroe and Company.

* Quadrilateralized Spherical Cube, a mapping scheme for data collected on a spherical surface, such as a planet

* A Treatise on Spherical Catoptrics, published in the Phil.

Spherical trigonometry is a branch of spherical geometry which deals with polygons ( especially triangles ) on the sphere and the relationships between the sides and the angles.

Spherical triangles were studied by early Greek mathematicians such as Menelaus of Alexandria, who wrote a book on spherical triangles called Sphaerica and developed Menelaus ' theorem.

* Spherical errors occur when the optical power of the eye is either too large or too small to focus light on the retina.

However, he also published books on mathematical astronomy such as A Treatise on Spherical Astronomy.

Spherical astronomy is the branch of astronomy that is concerned with where celestial objects are located and how they move on the celestial sphere.

Spherical astronomy or positional astronomy is the branch of astronomy that is used to determine the location of objects on the celestial sphere, as seen at a particular date, time, and location on the Earth.

* William M. Smart, edited by Robin M. Green, Textbook on Spherical Astronomy, 1977, Cambridge University Press, ISBN 0-521-29180-1.

Spherical groups with a radially fibrous structure and bristled with crystals on the surface are not uncommon.

* Spherical sector, portion of a sphere enclosed by a cone of radii from the center of the sphere.

* Spherical segment, is a portion of a sphere cut off by a pair of parallel planes

Spherical geometry is the geometry of the two-dimensional surface of a sphere.

* Spherical cap, portion of a sphere cut off by a plane

Spherical concave backing surfaces support the diaphragm when excessive pressures are applied and prevent the stresses within the diaphragm from exceeding the elastic limit.

Spherical errors occur when errors have both uniform variance ( homoscedasticity ) and are uncorrelated with each other.

Spherical fullerenes are also called buckyballs, and they resemble the balls used in soccer.

Spherical mechanisms are constructed by connecting links with hinged joints such that the axes of each hinge passes through the same point.

Spherical waves are waves whose amplitude depends only upon the radial distance r from a central point source.

Spherical geometry obeys two of Euclid's postulates: the second postulate (" to produce a finite straight line continuously in a straight line ") and the fourth postulate (" that all right angles are equal to one another ").

Spherical harmonics are often used to approximate the shape of the geoid.

Spherical harmonics are important in many theoretical and practical applications, particularly in the computation of atomic orbital electron configurations, representation of gravitational fields, geoids, and the magnetic fields of planetary bodies and stars, and characterization of the cosmic microwave background radiation.

Spherical mirrors are easier to make than parabolic mirrors and they are often used to produce approximately collimated light.

which regular solutions for positive energies are given by so-called Bessel functions of the first kind ' so that the solutions written for R are the so-called Spherical Bessel function

Spherical 3-manifolds are sometimes called elliptic 3-manifolds or Clifford-Klein manifolds.

Spherical tokamaks are not limited by the same instabilities as tokamaks and as such the area is receiving considerable experimental attention.

** Spherical coordinate system ( 3D )

Vectors can also be expressed in terms of the versors of a Cylindrical coordinate system () or Spherical coordinate system ().

* Spherical coordinate system

* Spherical coordinate system represents a point in three space by the distance from the origin and two angles measured from two reference lines which intersect the origin.

# REDIRECT Spherical coordinate system

An absolute location is designated using a specific pairing of latitude and longitude, a Cartesian coordinate grid ( e. g., a Spherical coordinate system ), an ellipsoid-based system ( e. g., World Geodetic System ), or similar methods.