Related Words

Orbit: A scheduling method in which the advertiser's commercials are rotated among different programs and/or time periods: this may also be called a rotation.

Obliquity Of The Moons Orbit: The angle which the Moon's orbit makes with the plane of the Earth's Equator. Its value varies from 18.3° to 28.6°, depending upon the longitude of the Moon's ascending node; the smaller val . . . View Full Definition

Elliptical Orbit: An orbit with the shape of a geometrical ellipse. All orbits are elliptical or hyperbolic, with the Sun occupying one focus.

Antibonding Orbital: A molecular orbital that can be described as the result of destructive interference of atomic orbitals on bonded atoms. Antibonding orbitals have energies higher than the energies its consti . . . View Full Definition

Molecular Orbital: A wavefunction that describes the behavior of an electron in a molecule. Molecular orbitals are usually spread across many atoms in the molecule, and they are often described as a combinatio . . . View Full Definition

Eccentricity Of Orbit: Ratio of the distance from the center to the focus of an elliptical orbit to the length of the semi major axis. The eccentricity of orbit = %1 - (B / A)2: where A and B are respectively the . . . View Full Definition

F Orbital: An orbital with angular momentum quantum number ell = 2. The f orbitals generally have 3 nuclear nodes and rather complex shapes.

Low Earth Orbit: A term used to describe the orbital altitude range (500 to 2000 km above the surface of the Earth) of certain communications satellites.

Polar-Orbiting Satellite: A satellite whose orbit passes over both of the earth's between poles.

Orbital Slots: Orbital slots refer to the location of satellites around the globe. Their are 6 main slots used for DBS TV.