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• The Geocentric Datum of Australia 1994 (GDA) - Home.
• " The Geocentric Datum of Australia (GDA) is realised by the coordinates of the Australian Fiducial Network (AFN) geodetic stations, referred to the Geocentric Reference System 1980 (GRS80 Ellipsoid) and determined within the International Earth Rotation Service Terrestrial Reference Frame 1992 (ITRF92) at the epoch of 1994. ...
• GDA: Geocentric Datum of Australia.
• GDA is the new geocentric geodetic datum adopted by Australia on January 1 2000 and supersedes the Australian Geodetic Datum 1966 (AGD66) used in Victoria. ...
• "Transition to the Geocentric Datum of Australia" (528 Kb, requires Acrobat Reader) .

• DIURNAL GEOCENTRIC PARALLAX.
• Modern Translation: DIURNAL GEOCENTRIC PARALLAX.
• Translations for "DIURNAL GEOCENTRIC PARALLAX"; alternative meanings/domain in parentheses.

• Geocentric Position of the planets.

• Basing much of his theory on the work of his predecessor, Hipparchus, Ptolemy designed a geocentric, or Earth-centered, model that held sway for 1400 years.

• Retrogradation was quite a puzzle for ancient astronomers who used the geocentric model. ...

• Claudius Ptolemaeus (commonly called Ptolemy by speakers of English) of Alexandria (a Greek city in what is now Egypt) around AD 140 (about 1860 years ago) described a geocentric (= earth-centered) model of the universe, with the Earth in the center of the Universe, the Sun as one of the wanderers ("planetes" in Greek) that move relative to the stars, and the stars fixed to the outermost celestial sphere. ...
• This model was simpler than Ptolemy's geocentric model, though either one could be used to predict planetary motion. ...

• Transformation from heliocentric to geocentric frame of reference .
• Transformation from heliocentric to geocentric frame of reference Usenet ASCIIThis Usenet message\'s original ASCII form: .
• Re: Transformation from heliocentric to geocentric frame of reference Usenet ASCIIThis Usenet message\'s original ASCII form: .
• Re: Transformation from heliocentric to geocentric frame of reference Usenet ASCIIThis Usenet message\'s original ASCII form: .
• Re: Transformation from heliocentric to geocentric frame of reference Usenet ASCIIThis Usenet message\'s original ASCII form: .
• Re: Transformation from heliocentric to geocentric frame of reference Usenet ASCIIThis Usenet message\'s original ASCII form: .

• Geocentric Coordinates.
• The Geocentric Coordinate System is a Cartesian coordinate system with the origin at the centre of the Earth, the x-axis passing through 00 longitude at the Equator, the y-axis passing through 900 longitude at the Equator and the z-axis passing through the North Pole. ...
• See also Geocentric Coordinates, UTM Coordinates.
• See also Geocentric Coordinates, Geodetic Coordinates.

• SECTION 2: Geocentric Ephemeris for the Moon.
• Geocentric Ephemeris for the Moon.

• Heliocentric vs geocentric quiz.
• Geocentric means Sun-centered, heliocentric means Earth-centered. ...
• Geocentric means Earth-centered, heliocentric means Sun-centered. ...

• Geocentric Moon Software .
•   Geocentric moon software: .

• geocentric.
• geocentric parallax.

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