Zeta: (uppercase Ζ, lowercase ζ; Greek: ζήτα, classical [d͡zɛ̂:ta] or [zdɛ̂:ta] zḗta, Modern Greek: [ˈzita] z\xedta) is the sixth letter of the Greek alphabet.

The lower case letter can be used to represent:
The Riemann zeta function in mathematics
The damping ratio of an oscillating system in engineering and physics
The effective nuclear charge on an electron in quantum chemistry
The electrokinetic potential in colloidal systems
Relative vorticity in the atmosphere and ocean
A number whose discrete values (eigenvalues) are the positive roots of transcendental equations, used in the series solutions for transient one-dimensional conduction equations
The heat flux across or through a plane (Industrial Materials Technology)
The Weierstrass zeta-function

Matar: A tough, no-nonsense race, the Minmatar are a determined and independent people. Their home planet of Matar is a natural paradise, although centuries of abuse have taken much from its beauty.