equator


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equator,

imaginary great circle around the earth, everywhere equidistant from the two geographical poles and forming the base line from which latitude is reckoned. The equator, which measures c.24,902 mi (40,076 km), is designated as lat. 0°. It intersects N South America, central Africa, and Indonesia. The celestial equator is the projection of the plane of the earth's equator on the celestial sphere (see equatorial coordinate systemequatorial coordinate system,
the most commonly used astronomical coordinate system for indicating the positions of stars or other celestial objects on the celestial sphere. The celestial sphere is an imaginary sphere with the observer at its center.
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).

equator

1. The great circle on the surface of a planet or star that lies in a plane – the equatorial plane – passing through the center of the body and perpendicular to the axis of rotation.
2. Short for celestial equator.

Equator

(religion, spiritualism, and occult)

The equator is the imaginary line drawn around Earth (and, by extension, other celestial bodies), separating it into northern and southern hemispheres. The celestial equator refers to the circle that results when one imaginarily projects the terrestrial equator against the background of the fixed stars.

equator

[ē′kwād·ər]
(geodesy)
The great circle around the earth, equally distant from the North and South poles, which divides the earth into the Northern and Southern hemispheres; the line from which latitudes are reckoned.

equator

equator
The great circle on the surface of the earth whose plane is at right angles to the earth's axis of rotation. The equator lies in an east-west direction and divides the earth into Northern and Southern Hemispheres. It is normal to the polar axis and equidistant to the poles.

equator

1. the great circle of the earth with a latitude of 0?, lying equidistant from the poles; dividing the N and S hemispheres
2. a circle dividing a sphere or other surface into two equal symmetrical parts
4. Astronomy See celestial equator
References in periodicals archive ?
He found that these variations, too, come in a cycle of 22 years that begins near the poles and drifts toward the equator.
The Equator implementation, which includes carriage within an MPEG-2 transport stream, is undergoing interoperability testing with encoder suppliers as well as integration testing with beta customers and service providers.
Equator is a design agency with subject matter expertise in grocery retail and CPG brands capable of taking brands from creation to shelf.
The Equator Prize has been supported by former Heads of State Gro Harlem Brundtland and Oscar Arias, Nobel Prize winners Al Gore and Elinor Ostrom, thought leaders Jane Goodall and Jeffrey Sachs, indigenous rights activists Vicky Tauli-Corpuz and Hans Brattskar, philanthropists Richard Branson and Ted Turner, and celebrities Alec Baldwin, Gisele Bundchen, Edward Norton, among many others.
UKEF becoming an Equator Principles Institution is in line with the UK governments drive to promote sustainable business practices following the agreement of the Sustainable Development Goals at the UN General Assembly last year.
The first return flow from the pole back to the equator is relatively shallow, 62,000 km (39,000 miles) below the Sun's visible surface--half as deep as models had assumed.
Equator has stayed with that approach rather than licensing its offerings to servicers.
As a result of the increased public backlash, ten private financial institutions adopted a set of environmental guidelines known as the Equator Principles on June 4, 2003.
In South America, the equator crosses Ecuador (below)--which was named after the line by its Spanish colonists--Colombia and the northern part of Brazil, close to the Amazon Basin.
On2's extension of VP6 to high-definition on our chip further emphasizes that it is video quality and ability to play back content regardless of format or resolution that matter", said Rich Christopher, chief executive officer of Equator.
The Equator Principles create standards--on the use of renewable resources, socioeconomic impacts, involuntary resettlement, impact on indigenous communities, efficient use of energy, and pollution prevention--which banks may use to judge potential investment projects.
If this variation accounts for changes in equatorial wind speed, that speed should change noticeably in about 7 years, the next time Saturn's equator is tipped toward the sun, comments John T.