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Topic: Equatorial plane


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In the News (Fri 19 Apr 19)

  
  Equatorial bulge - Wikipedia, the free encyclopedia
An equatorial bulge is a planetological term which describes a bulge which a planet may have around its equator, distorting it into an oblate spheroid.
The planet with the largest known equatorial bulge (11808 km, 7337 miles) is Saturn.
Because of a planet's equatorial bulge, its gravitational field is weaker at the equator than its poles.
en.wikipedia.org /wiki/Equatorial_bulge   (261 words)

  
 Tire Terminology
The angle of the reinforcing members in the belt in reference to the equatorial plane are bout 5¬ĀEless than the angle of the reinforcing members of the carcass.
"Equatorial plane (EP)" means the plane perpendicular to the tire's axis of rotation and passing through the center of its tread.
"Lateral Edge" means the axially outermost edge of the tread as defined by a plane parallel to the equatorial plane and intersecting the outer ends of the axially outermost traction lugs at the radial height of the inner tread surface.
www.paterra.com /TranslatorsCorner/TireTerminology.html   (5369 words)

  
 * Equator - (Astronomy): Definition   (Site not responding. Last check: 2007-10-16)
An equatorial mount is set to the current latitude, and is polar aligned (pointed at the North Pole in the Northern Hemisphere, the South Pole in the Southern Hemisphere) and then moves only in Right Ascension and in Declination...
E: Equatorial; lying on the celestial equator EN: Equatorial north; lying between the celestial equator and 45 degrees north of the equator.
The zodiacal year begins at the point where the plane of the ecliptic intersects with the earth's equatorial plane at the vernal equinox when the sun moves into the northern hemisphere of the earth's equatorial plane...
www.bestknows.com /astronomy/equator.html   (2245 words)

  
 Equatorial Guinea plane crash: 55 feared dead   (Site not responding. Last check: 2007-10-16)
Airport sources said Saturday that the plane's passenger manifest showed 35 passengers and 10 crew members but that determining the exact number of people aboard the aircraft was difficult as crews are often bribed to take additional passengers.
Most of the planes, piloted mainly by Russians, Ukrainians and Armenians, are Soviet-era aircraft that often no longer meet international flight standards and are not allowed to land at airports in other countries in the region.
Equatorial Guinea, with a population of just over one million, is in the midst of an oil boom, and has seen double-digit growth since the mid-1990s.
www.turkishpress.com /news.asp?id=60752   (601 words)

  
 Satellite orbiting toward west in the equatorial plane and meteorological satellite system using the satellite - Patent ...
Although the altitude of the westward equatorial satellite is relatively low or about 40% of the altitude of a geostationary meteorological satellite, it is yet a height suitable for observing the whole earth surface as is obvious from the image of the earth in FIG.
As a result, the westward equatorial satellite and the satellite's propulsion stage attached thereto are injected into an elongated elliptical orbit 11 having an inclination angle of about 30 degrees and, after a while, reach point B at an altitude of 100,000 km.
The fact that a useful orbit must be in the equatorial plane can be seen from both the feasibility of using an antenna of such simple construction at a receiving station and the need for preventing a change in the configuration from one to another of the images as shown in FIG.
www.freepatentsonline.com /6082677.html   (4371 words)

  
 INCLINATION FACTS AND INFORMATION
It is the angular distance of the orbital plane from the plane_of_reference (usually the primary's equator or the ecliptic), normally stated in degrees.
In the solar_system, the inclination (''i'' in figure 1, below) of the orbit of a planet is defined as the angle between the plane of the orbit of the planet, and the ecliptic, which is the orbit of Earth.
And in particular, for the Earth, the inclination or obliquity of the ecliptic is the angle between the plane of the ecliptic and the equator.
www.bellabuds.com /Inclination   (373 words)

  
 Equatorial bulge -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-16)
That is, its diameter measured across the equatorial plane (12756.28 km) is 42.72 km more than that measured between the poles (12713.56 km).
The planet with the largest known equatorial bulge (11808 km) is (A giant planet which is surrounded by three planar concentric rings of ice particles; 6th planet from the sun) Saturn.
Because of a planet's equatorial bulge, its (A field of force surrounding a body of finite mass) gravitational field is weaker at the equator than its poles.
www.absoluteastronomy.com /encyclopedia/e/eq/equatorial_bulge.htm   (293 words)

  
 NASS FAQ - Glossary
azimuth (of the sun): the angle of the sun, measured in the horizontal plane and from true south.
e-clip-tic) the plane that the Earth’s orbit traces during a year.
equator, celestial: the intersection of the extended plane of the Earth’s equator with the celestial sphere.
www.sundials.org /faq/glossary/glossary.htm   (1266 words)

  
 Practical Astronautics
The equatorial plane is inclined to the ecliptic by 23.5 degrees - the earth's axial tilt.
The equatorial plane is inclined 23.5 degrees to the ecliptic.
geostationary - an orbit whose orbit lies in the equatorial plane (inclination = 0) and whose period is equal to the rotational rate of the earth.
www.astronautica.com /astro   (1528 words)

  
 Hexagonal Crystal System III   (Site not responding. Last check: 2007-10-16)
Generation of the equatorial plane of the Hexagonal Tritopyramid (= Type III hexagonal bipyramid) from the equatorial plane of the Dihexagonal Bipyramid by alternately suppressing half of the sides (in virtue of the suppression of all the vertical mirror planes) and extending the survived sides till they meet.
The equatorial plane of the generated Tritopyramid is indicated by A B C D E F.
Indicated are the four crystallographic axes (red) and the bisectors of the equatorial crystallographic axes.
metafysica.nl /hexagonal_3.html   (1973 words)

  
 Introduction
Fig 1 shows uniform space density in the equatorial XY plane of a lab in absolute "at rest" state, and the characteristic flatness of this plane.
Let there be, on the periphery of the equatorial plane of a lab, sources of light which emit light rays radially toward the observer who is located at the center of the plane.
Let there be a source of light at the center of the equatorial plane of a lab, which emits light rays in all directions toward the periphery of the plane.
wbabin.net /giao/giao2.htm   (1747 words)

  
 Las Vegas SUN: Equatorial Guinea Plane Crash Kills 50
MALABO, Equatorial Guinea (AP) - A Russian-made plane believed carrying more than 50 passengers and crew crashed in a forest in Equatorial Guinea, killing all aboard with searchers reporting that some bodies were scattered in trees, officials said Sunday.
The plane crashed in the trees and is completely burned," he said.
Equatorial Guinea's capital is on an island off the coast of Cameroon, while many of the other principal cities such as Bata are further south on the West African mainland.
www.lasvegassun.com /sunbin/stories/w-af/2005/jul/17/071700601.html   (291 words)

  
 MolVis 3: 2
A rapid means was sought to visualize and quantify the cross-sectional areas of fiber cells, the variations of cell area, and the regularity of packing in the equatorial plane of normal adult bovine and normal aged human lenses.
Overviews of the equatorial plane demonstrated a gradual improvement in the regular packing of radial cell columns proceeding from the relatively disordered embryonic and fetal nuclei through the well-ordered adult nucleus to the highly regular cortical region.
Along the equatorial plane, fiber cells were undisrupted and demonstrated a gradual reduction in size proceeding from the embryonic nucleus through the adult nucleus (Fig.
www.molvis.org /molvis/v3/a2   (2411 words)

  
 Stauraxonia homopola II
The only plane of symmetry is the equatorial plane, perpendicular to the main axis and containing its midpoint.
The 2-fold rotation axis is perpendicular to the plane of the photograph and goes through the center of the cell.
Equatorial plane of an amphitect gyroid bipyramid with four antimers.
home.hetnet.nl /~turing/sigmostaura.html   (1257 words)

  
 Non-Equatorial Space Elevators
In this figure, the green circle is the Earth, the red circle shows geosynchronous altitude, the pink line is the equatorial plane, and the blue curve is the space elevator.
The force excerted by the anchor point is the only thing preventing the elevator from "falling" towards the equatorial plane.
When building an equatorial elevator, there is no need for a force from the anchor point, so the elevator can simply be extended up and down until it reaches the ground.
www.mit.edu /people/gassend/spaceelevator/non-equatorial   (630 words)

  
 Starry Night Pro Help
There are two standard reference planes, the equatorial plane of the Earth and the ecliptic plane (the plane of Earth's orbit around the Sun).
However, due to precession, the equatorial and the ecliptic planes are slowly changing their positions relative to the background stars.
Inclination is the angle between the orbital plane and the equatorial plane, measured between 0° and 180°.
www.starrynightpro.com /help/OEElements.shtml   (1832 words)

  
 British Sundial Society activities
There is no equatorial base included, but the instrument obviously requires one and is designed to be rotated on a polar pin to allow Longitude and EQT to be applied to give clock time.
In this development the dial face is a pair of inclined planes on which all the previous furniture and delineation is replotted to the same precision.
Dials that are to be mounted on an equatorial plane are generally fitted with an axial pivot and a small scale to allow the clock time adjustment to offset the normal local noon scale setting.
www.sundialsoc.org.uk /Auction/auction5.htm   (2382 words)

  
 Chapter 3 continued-Revolution in Weather-Singer
NP1 of course, is measured by the angle NOP, which exists between the pole of the equatorial plane and the pole of the small circle.
This plane cuts the equatorial circle in the line pcq1 which is the projection of the line PcQ1 of the cone.
A plane tangent to the projection point S is also parallel to the equatorial plane.
weather.org /singer/more3.htm   (1689 words)

  
 American College of Orgonomy - Celestial Motion (Part I): A Lawful Relationship Between the Rotation Of the Planets and ...
In attempting to develop Reich's conclusion that "the equatorial orgone envelope provides the concrete physical mover of the planets," [1:81] it is shown that the directions of rotation of the sun and each of the nine planets are in simple functional relations to the galactic plane.
The plane defined by the Earth's equator is called the equatorial plane, the plane defined by the solar system is called the ecliptic plane, and the plane defined by the (flattened disk) of the galaxy is called the galactic plane.
Specifically, "the path of the sun on the ecliptic, which deviates from the equatorial plane by 23.5 degrees, thus appears as the resultant of the galactic and the equatorial orgone energy streams, with the latter constituting the slightly stronger force.
www.orgonomy.org /article_145.html   (1404 words)

  
 Monaxonia Stauraxonia
Those meridian planes, on the other hand, which contain two interradii, and which are then at the same time the boundary planes of two pairs of antimers, we call interradial planes (P l a n a i n t e r r a d i a l i a).
The equatorial plane divides the body of the Monaxonia haplopola in two congruent parts, while it divides the body of the Monaxonia diplopola in two unequal parts.
The plane of truncation or antistomial plane, is in most of the relevant forms a disc smaller than the basal plane (peristomial plane), that is parallel to it.
home.hetnet.nl /~turing/monaxonia.html   (5462 words)

  
 Articles - Inclination   (Site not responding. Last check: 2007-10-16)
It is the angular distance of the orbital plane from the plane of reference (usually the primary's equator or the ecliptic), normally stated in degrees.
The inclination of distant objects, such as a binary star, is defined as the angle between the normal to the orbital plane and the direction to the observer, since no other reference is available.
is orbital momentum vector perpendicular to the orbital plane.
www.worldhammock.com /articles/Inclination   (384 words)

  
 Stereographic Projection
That is, the image of a circle on the sphere is a circle in the plane and the angle between two lines on the sphere is the same as the angle between their images in the plane.
plane, the projection of the intersection of 2 and 3 is a circle.
terms are the same, this is the equation of a circle in the plane.
www.geom.uiuc.edu /docs/doyle/mpls/handouts/node33.html   (729 words)

  
 ASEN 5090 Orbit Notes   (Site not responding. Last check: 2007-10-16)
The angle formed by the orbital plane and the equatorial (x-y) plane.
The angle measured in the equatorial (x-y) plane from the x-axis to the point of intersection of the orbital path with the equatorial plane.
The angle measured in the plane of the orbit from the ascending node to the point of the orbit corresponding to closet approach (the distance from the center of the Earth to the satellite is a minimum).
www.colorado.edu /ASEN/asen5090/orbit_lingo.html   (469 words)

  
 ASTRONOMICAL COORDINATE SYSTEMS
The most natural coordinate frame from the observer's point of view is the horizontal frame where the reference plane is the tangent plane of the Earth passing through the observer.
Therefore the equatorial plane is a suitable reference plane for a coordinate frame that has to be independent of time and the position of the observer.
The intersection of the celestrial sphere and the equatorial plane is great circle (celestial equator) and pole is the perpendicular direction to this plane (Equatorial System).
www.ii.metu.edu.tr /~astr201/demo/lecture_notes/section4/page1.html   (513 words)

  
 Astronomical Coordinate Systems
A reference plane containing the origin is fixed, or equivalently the axis through the origin and perpendicular to it (typically, an "equatorial" plane and a "polar" axis); elementarily, each of these uniquely determines the other.
Geographical Latitude, measured on the surface between the parallel plane to the equatorial plane and the line orthogonal to the surface, the local vertical or plumb line, which may be measured by the direction of gravitional force (e.g., plumb).
The major half axis represents the equatorial radius of the planet, while the minor axis is the polar (and thus the rotational) half axis, which is about 1/298 shorter than the equatorial radius.
www.seds.org /~spider/spider/ScholarX/coords.html   (3777 words)

  
 [No title]
Some of the TVRO sats are geosynchronous, but not geostationary, ie their longitude is nearly constant, but their orbit is inclined so that they drift north and south of the equator once per day.
Since a properly aligned TVRO dish only looks at the sats in the equatorial plane, this means that without some form of elevation control, that these will only be visible twice a day for about an hour each, as they cross the equator.
Since the TVRO sats are not infinitely far away, you cannot sight your dish parallel to the equatorial plane, but you must tilt the dish down from this plane slightly, by an angle referred to as the DECLINATION ANGLE.
www.megalink.net /~wejones/satalig.txt   (2087 words)

  
 SSHP - Orbital terms
An orbit with a low inclination, or angle between the orbital plane and equatorial plane.
This type of orbit is ideal for frequent coverage of the equatorial regions, but for Low Earth Orbit equatorial orbits the satellite coverage circle is limited, and higher latitudes can not be covered.
A polar orbit is inclined at about 90 degrees to the equatorial plane, covering both poles.
centaur.sstl.co.uk /SSHP/orbterm.html   (373 words)

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