DOSEN PROFIL LENGKAP

In the Hipparchian, Ptolemaic, and Copernican systems of astronomy, the epicycle (from Ancient Greek ἐπίκυκλος (epíkuklos) 'upon the circle', meaning "circle...

standard epicyclic gearing. Around 500 BC, the Greeks invented the idea of epicycles, of circles travelling on circular orbits. With this theory Claudius Ptolemy...

line to the right. A given planet then moves around the epicycle at the same time the epicycle moves along the path marked by the deferent. These combined...

the path of a chosen point on the circumference of a circle—called an epicycle—which rolls without slipping around a fixed circle. It is a particular...

the other planets orbiting around it in circular motions, modified by epicycles, and at uniform speeds. The Copernican model challenged the dominant geocentric...

and the other planets orbiting around it in circular paths, modified by epicycles, and at uniform speeds. The Copernican model challenged the geocentric...

equant point, the epicycle's center (indicated by the small · ) would appear to move at a steady angular speed. However, the epicycle's center will not...

Archimedes, with knowledge of epicycles and eccentrics, and the Antikythera mechanism also appears to presuppose eccentrics and epicycles in the way it produces...

previously done by Sandivogius of Czechel, Brudzewski added a secondary epicycle to explain the motion of the Moon. Brudzewski also considered that the...

sphere above it and the sphere below. When scholars applied Ptolemy's epicycles, they presumed that each planetary sphere was exactly thick enough to...

Like a Peasant. 2013 Serenade Vapour 7” 2016 Epicycle 2018 Evolution 2018 MIKHEL (soundtrack) 2020 Epicycle II 2021 Ox 1999 Yesterday Was Dramatic – Today...

versions disagree in their measurements of Shani's revolutions, apogee, epicycles, nodal longitudes, orbital inclination, and other parameters. For example...

their data, in their measurements of Brihaspati's revolutions, apogee, epicycles, nodal longitudes, orbital inclination, and other parameters. For example...

the planets are each governed by two epicycles, a smaller manda (slow) epicycle and a larger śīghra (fast) epicycle. It has been suggested by some commentators...

astronomical data of Tycho Brahe. These laws replaced the circular orbits and epicycles of Copernicus's heliostatic model of the planets with a heliocentric model...

realization of the universe as a set of nested spheres, in which he used the epicycles of his planetary model to compute the dimensions of the universe. He estimated...

Ptolemaeus constructed a geocentric planetary model based on deferents and epicycles to explain Jupiter's motion relative to Earth, giving its orbital period...

University Press. p. 3. Forbes 1909, Book 2, chapter 4: The Reign of Epicycles—From Ptolemy to Copernicus Forbes 1909, Book 2, chapter 6: Galileo and...

A rhythmite consists of layers of sediment or sedimentary rock which are laid down with an obvious periodicity and regularity. They may be created by annual...

Ptolemy to differentiate as inferior those planets (Mercury and Venus) whose epicycle remained co-linear with the Earth and Sun, and as superior those planets...

out motive emissions that direct its own motion and the motions of the epicycle and deferent that make up its system, just as a bird sends out emissions...

the center of the larger circle from the Earth) by introducing an extra epicycle (the Tusi-couple), departing from the Ptolemaic system in a way that was...

concepts of deferent and epicycle in the Ptolemaic system of astronomy were related to Fourier series (see Deferent and epicycle § Mathematical formalism)...

Earth): 3144 : 327+2⁄3; and for the epicycle model, the ratio between the radius of the deferent and the epicycle: 3122+1⁄2 : 247+1⁄2 . These figures...

deferent, carrying an epicycle along which the Moon was assumed to move in a retrograde direction. The center of the epicycle moved at a rate corresponding...

equation with A(t) where A is another sinusoid, similar to the cycles and epicycles of Ptolemaic theory. This gives A ( t ) = A o ( 1 + A a cos ⁡ ( ω a t...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

reflected geocentric models, such as Ptolemy’s 2nd-century system using epicycles and equants to explain planetary motion. Medieval astronomers, influenced...

around the Earth. Ptolemy thought that the planets moved on circles called epicycles and that their centers rode on deferents. The deferents were eccentric...

Earth in a period of one month, and moves with it around the Sun like an epicycle. This section explains how the apparent motion of the Sun could arise from...

is transmitted through a single main transmission and then through an epicycle gear final drive on each side. A different drive speed is caused by feeding...

of the precession of the equinoxes and begins explaining the theory of epicycles. Books IV and V cover the motion of the Moon, lunar parallax, the motion...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

theory of homocentric spheres, and Ptolemy's mechanism of eccentrics and epicycles—the surmounting and discarding of which would be the first step toward...

where m is the Moon's mean longitude, a is the longitude at apogee, P is epicycle of apsis, R=3438'. Besides worship in Navagraha temples, Chandra is also...

any planet are also the same in all three models. This is so because the epicycle in the geocentric model plays the same role as the orbit of the Earth in...

which carried smaller, rotating circles called epicycles. Planets rotated on the epicycles as the epicycles traveled along the deferent. Ptolemy shifted...

to differentiate as 'inferior' those planets (Mercury and Venus) whose epicycle remained collinear with Earth and the Sun, compared to the 'superior' planets...

January 2009. BWW News Desk (30 June 2020). "Gyda Valtysdottir Releases Epicycle II August 28". BroadwayWorld.com. Broadway World. Retrieved 23 July 2020...

and become more and more difficult to express in its language. Epicycle upon epicycle of subsidiary hypothesis will have to be invoked to give to the...

theories of dark energy. Ad hoc Fringe science Russell's teapot Deferent and epicycle § Bad science No true Scotsman Special pleading The Structure of Scientific...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

paths of planets in the once popular geocentric system of deferents and epicycles are epitrochoids with d > r , {\displaystyle d>r,} for both the outer...

retrograde motion was explained by having the planets travel in deferents and epicycles. It was not understood to be an illusion until the time of Copernicus...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

al-Shatir's model for the appearances of Mercury, showing the multiplication of epicycles using the Tusi couple, thus eliminating the Ptolemaic eccentrics and equant...

nostalgia cycle. Various durations of this cycle have been alleged, including epicycles (i.e., nostalgia for the last nostalgia cycle). It has been said that...

orbits of the planets were composed of perfect circles—deferents and epicycles—and that the stars were fixed on a stationary outer sphere. Despite the...

manufacturers and amusement parks would install their own versions. Ptolemy's epicycle model of the Solar System has been likened by physicists to the spinning-teacups...

eccentrics and another deferent and epicycles. The latter will be a key feature for future models. The epicycle is described as a small orbit within...

more accurately measured, theoretical mechanisms such as deferent and epicycles were added by Ptolemy. Although the model was capable of reasonably accurately...

and cello (1952; arr. of 1920 work for string quartet) Iannis Xenakis. Epicycle, for solo cello, flute, oboe, clarinet, horn, trumpet, trombone, tuba,...

eliminated all of Ptolemy's major epicycles, merging them all into the Earth's orbit, he then introduced a series of little epicycles to replace the equant, one...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

celestial motions are uniformly circular, which required the inclusion of epicycles to explain observed motion, but he managed to eliminate Ptolemy's equant...

generally accepted geocentrism, although they did dispute Ptolemy's system of epicycles and sought alternatives. The 10th-century astronomer Abu Sa'id al-Sijzi...

Kerr Jr., Concert Scherzo: Didn't My Lord Deliver Daniel?; Stella Sung: Epicycles. Angela Cheng Alvin Chow Caroline Clemmow Anthony Goldstone Goldstone...

centuries Aryabhata (476–550) described a geocentric model with slow and fast epicycles Ja'far ibn Muhammad Abu Ma'shar al-Balkhi (787–886) conveyed Aristotle's...

central axis, and is aimed by a guide which is steered by a deferent and an epicycle (or whatever the planetarium maker calls them). Here Ptolemy's number values...

to circles. The three circles just constructed are also designated as epicycles of △ABC. The second Brocard point is constructed in similar fashion. Homogeneous...

the planetary deferents on a single plate, and a second plate bears the epicycles. c. 1150 Arab astronomer, Jabir ibn Aflah (Geber), may have invented or...

Autolycus of Pitane. Astronomers responded by introducing the deferent and epicycle, which caused a planet to vary its distance. However, Eudoxus's importance...

Ptolemaic model of the spheres for Venus, Mars, Jupiter, and Saturn with epicycle, eccentric deferent and equant point. Georg von Peuerbach, Theoricae novae...

the need for deferents and epicycles abolished. In his work, Copernicus "used conventional, hypothetical devices like epicycles...as all astronomers had...

equation of the centre, the equation of the equinoxes, the equation of the epicycle). Gerald J. Toomer uses the medieval term "equation", from the Latin aequātiō...

texts vary slightly in their measurements of Budha's revolutions, apogee, epicycles, nodal longitudes, orbital inclination, and other parameters. Scholars...

method for finding the distance between the Earth and a planet following an epicycle; however, Brahmagupta never treated the law of sines as an independent...

model of the Solar System, in which the Sun and Moon are each carried by epicycles. They in turn revolve around the Earth. In this model, which is also found...

allowed an equant in an astronomic model to be replaced with an equivalent epicycle that moved around a deferent centered at half the distance to the equant...

eliminated all of Ptolemy's major epicycles, merging them all into the Earth's orbit, he then introduced a series of little epicycles to replace the equant, one...

the History of Astronomy, 26, pp. 237–246. (1996) "'A Reintroduction of Epicycles': Newton's 1702 Lunar Theory and Halley's Saros Correction", Quarterly...

collaboration between Tihista and brothers Tom and Ellis Clark of the band "Epicycle." Kevin Tihista was born in Walnut Creek, CA in the San Francisco Bay area...

system using philosophical arguments and rejects the use of eccentrics and epicycles to explain the apparent motions of the Moon, the Sun and the planets....

apparent construction date of the mechanism—carried forward with more epicycles, and was more accurate predicting the positions of planets than the view...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Ptolemy described lunar motion by using a well-defined geometric model of epicycles and evection. The relation of the Moon, Earth and Sun has been studied...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

or Mercury; but according to Galileo these 'orbs', like deferents and epicycles, were only theoretical devices of 'pure astronomers' and not actual physical...

heliocentric system in this book, he resorted to Ptolemaic devices (viz., epicycles and eccentric circles) in order to explain the change in planets' orbital...

familiar with, namely the cycles and epicycles of the Ptolemaic toolbox. Yet Copernicus' model needed more cycles and epicycles than existed in the then-current...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

universe) Universe orbits around a stationary Earth. Planets move in circular epicycles, each having a center that moved in a larger circular orbit (called an...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Plato to reject the Copernican model and instead created his own eccentric-epicycle geocentric model of the universe. Du Chevreul believed that the Earth was...

the geocentric model), one using eccentrics and another deferent and epicycles.[failed verification] c. 200 BCE – Eratosthenes determines that the radius...

cycloid, cyclone, cyclops, cyclosis, cyclotomic, dicyclic, eccyclema, epicycle, epicycloid, hemicycle, hemicyclium, heterocyclic, homocyclic, hypercycle...

"On the Greek Origin of the Indian Planetary Model Employing a Double Epicycle", Journal of Historical Astronomy, 2 (1): 80–85, Bibcode:1971JHA.....2...

continue his work and prove his theory, using a geocentric model and epicycles. Piast turns down the offer, having an inkling of doubt after an expected...

computation. Around 130 AD, Ptolemy adopted Apollonius' epicycles in his geocentric model. Epicycles are described as an orbit within an orbit. For example...

world. Similar models for the planets replaced the body of the sun with an epicycle sphere carrying each planet. Peuerbach ideas replaced Theorica Planetarum...

sometimes go fast, sometimes slow, and sometimes backwards, by means of vast epicycles. Mars, above the Sun's sphere, often falls far below it, then soars above...

astronomers of the Middle Ages and Renaissance did not resort to "epicycles on epicycles" in order to correct the original Ptolemaic models—until one comes...

the other planets orbiting around it in circular motions, modified by epicycles, and at uniform speeds. The Copernican model challenged the dominant geocentric...

proposed an empiric model of planetary motions, based on deferents and epicycles. Independently of Fourier, astronomer Friedrich Wilhelm Bessel introduced...

accepted by Aristotle. This model generally lasted until Ptolemy, who added epicycles to explain the retrograde motion of Mars. (Around 250 BC, Aristarchus...

of the deferent moves on a secondary epicycle, al-Zarqālī noted that the path of the center of the primary epicycle is not a circle, as it is for the other...

Morph II "Exhale" Shiver "Swill" "Evol Lamina" (with Gyða Valtýsdóttir) Epicycle II "Cannibal" (featuring Elizabeth Fraser) Shiver "Cul de sac" (with Trayer...

and/or new wave music bands such as Bohemia, C*nts, Da!, the Dadistics, Epicycle, the Ferraris, Heavy Manners, the Men, Naked Raygun, the Oil Tasters (from...

(Tractatus super totam astrologiam), in which he defended Ptolemy's theory of epicycles and eccentrics against al-Bitruji's system of homocentric spheres. Contrary...

idea is to be found in ancient writers who used sundials and Ptolemaic epicycles to illustrate the divine order of the world. These types of examples can...

speed V cir {\displaystyle V_{\text{cir}}} and the vertical and radial epicycle frequencies to be given by ( R ω ) 2 ≡ V cir 2 = [ ( 1 + R 0 / z 0 ) G...

Ne'eman argued that after Gersonides reviewed Ptolemy's model with its epicycles he realized that it could be checked, by measuring the changes in the...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

the Ptolemaic idea of epicycles, and merely sought to simplify astronomy by constructing simpler sets of epicyclic orbits. Epicycles consist of circles upon...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

VIII): The world, when still in peril, thought that, wheeling, in the third epicycle, Cyprian the fair sent down her rays of frenzied love, ... and gave the...

the retarded phase. Shen's hypotheses were similar to the concept of the epicycle in the Greco-Roman tradition, only Shen compared the side-section of orbital...

Initially imperfect, as they required a series of artificial adjustments (epicycles) to be applied to the movement of celestial bodies. That is, according...

motion as fundamental and then used the circular motion of deferents and epicycles in his earth-centered theory. Although Zhang Heng understood that the...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

proposed a theory on planetary motion in which he wished to avoid both epicycles and eccentrics. He was unsuccessful in replacing Ptolemy's planetary model...

as found in Arabic sources. The exact replacement of the equant by two epicycles used by Copernicus in the Commentariolus was found in an earlier work...

apparent retrograde motion of planets), it still relied on the use of epicycles, leading to some inaccuracies – for example, periodic errors in the position...

motivated by the thinking of Thomas Aquinas, who wrote concerning the epicycles and eccentrics of classical astronomy that Reason may be employed in two...

produce a reciprocating linear motion of a planet along the radius of its epicycle. Oresme's description is unclear and it is not certain whether this represents...

eccentrics and another deferent and epicycles. The latter will be a key feature for future models. The epicycle is described as a small orbit within...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Ptolemy's refined geocentric theory of epicycles was backed up by rigorous mathematics and detailed astronomical observations. It was not overturned until...

Désobstruer-Épicurisme, XXIII-1343 ISBN 2-222-02383-1 1980 : vol. 8 - Épicycle-Fuyard, XIX-1364 ISBN 2-222-02670-9 1981 : vol. 9 - G-Incarner, XVIII-1338...

Planetarium from the 13th century. In his commentary, he proposed to use two epicycles to correct the orbit of the Moon in the geocentric model. A similar model...

cycle Celestial spheres Circle of latitude Counter-Earth Deferent and epicycle Equant Geocentrism Heliocentrism Hipparchic cycle Inferior and superior...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

"On the Greek Origin of the Indian Planetary Model Employing a Double Epicycle". Journal for the History of Astronomy. 2 (2). SAGE Publications: 80–85...

equatorium can further be specialized depending on the epicycle. There are three possible epicycles that can be adjusted to serve for planetary positions...

descriptions of planet motions, one using eccentrics and another deferent and epicycles, is attributed to Apollonius. Ptolemy describes this equivalence in the...

cycloid, cyclone, cyclops, cyclosis, cyclotomic, dicyclic, eccyclema, epicycle, epicycloid, hemicycle, hemicyclium, heterocyclic, homocyclic, hypercycle...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

of Perga (c. 262 – c. 190 BC) developed the concept of deferents and epicycles, according to which the planets are carried on rotating circles that are...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

\omega _{+}} frequencies. These motions are similar to the deferent and epicycle, respectively, of the Ptolemaic model of the solar system. The sum of these...

For Kuhn, the addition of epicycles in Ptolemaic astronomy was "normal science" within a paradigm, whereas the Copernican Revolution was a paradigm shift...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

equatorium of his own invention, functioning on the Ptolemaic theory of epicycles, and Keli Memutsa (Intermediate Instrument), which describes another unique...

around the galaxy. Perturbations in a star's galactic orbit result in epicycle motions. The cosmic microwave background has its own co-moving frame of...

University Press, 1974), page 450. "every planet except the sun has an epicycle." Anonymous, "The Theory of the Planets," in Edward Grant, ed. A Source...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

as predicted by Copernicus's heliocentric model, without the need for epicycles as predicted with Kepler's model of elliptical orbits and disproved Ptolemy's...

have heard that Abu Bakr [Ibn Bajja] discovered a system in which no epicycles occur, but eccentric spheres are not excluded by him. I have not heard...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

quadrilateral Cycloid Epitrochoid Epicycloid Cardioid Nephroid Deferent and epicycle Ex-tangential quadrilateral Horocycle Hypotrochoid Hypocycloid Astroid...

Festival in Belfast. A CD of four of his works (Refractions, Mälarsång, Epicycle and Uppvaknande) is available under the collective title Refractions (MPSCD003)...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

is responsible for daily motion. Maimonides' model incorporated both epicycles and other complex celestial motions derived from Ancient Greek astronomy...

which an eccentric circle would carry around a smaller circle, called an epicycle which in turn carried around a planet. The first such model is attributed...

follow elliptical orbits, the Sun and the Moon revolve around the Earth in epicycles. He also writes that the planets and the Moon do not have their own light...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

framework of rings De architectura – Treatise on architecture by Vitruvius Epicycle – Planetary motions in archaic models of the Solar SystemPages displaying...

eliminated all of Ptolemy's major epicycles, merging them all into the Earth's orbit, he then introduced a series of little epicycles to replace the equant, one...

heliocentric theory of Nicolaus Copernicus, replacing its circular orbits and epicycles with elliptical trajectories, and explaining how planetary velocities...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

altogether forty-eight epicycles - if I counted them correctly. Moreover, Copernicus had exaggerated the number of epicycles in the Ptolemaic system...

idea is to be found in ancient writers who used sundials and Ptolemaic epicycles to illustrate the divine order of the world. These types of examples can...

Perga assigns equations to curves. 200 BC: Apollonius of Perga develops epicycles. While an incorrect model, it was a precursor to the development of Fourier...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

34 circles has been taken to imply that a large number of additional epicycles had been subsequently introduced into the Ptolemaic system in an attempt...

explain the complex motions of the planets, a device known as deferent and epicycle first developed by Apollonius of Perga. Published in the Almagest, this...

inspired Duhem was Thomas Aquinas, who wrote, regarding eccentrics and epicycles, that Reason may be employed in two ways to establish a point: firstly...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

were explained by smaller circular paths overlaid on the larger path (see epicycle). As measurements of the planets became increasingly accurate, revisions...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Hipparchus when he proposed that Mars moved along a circular track called the epicycle that, in turn, orbited about the Earth along a larger circle called the...

needed] Epicyclic gearing: around 500 BC, the Greeks invented the idea of epicycles, of circles travelling on the circular orbits. The Antikythera Mechanism...

Monteleone "Wendigo's Child" Guy Snyder Testament XXI 1975 P. J. Plauger* "Epicycle" Alan Brennert "Nostalgia Tripping" Suzy McKee Charnas Walk to the End...

Nephroid – Plane curve; an epicycloid with radii differing by 1/2 Deferent and epicycle – Planetary motions in archaic models of the Solar System Hypotrochoid –...

ad-Din al-Bitruji (d. 1204) rejected the existence of eccentrics and epicycles. Instead, the motions of the planets would be explained by concentric...

be accurately represented by means of techniques involving the use of epicycles, deferents, eccentrics (whereby planetary motion is conceived as circular...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

accurately model the irregular motions of the planets (using the Ptolemaic epicycles rather than the ellipses as later worked out by Johannes Kepler). On some...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

O'Banion's replaced it, and new wave bands like Special Effect, The Dadistics, Epicycle and Ono played there. Another gay bar, Oz, soon opened and began catering...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

spheres are concentric was forsaken in favor of Ptolemy's deferent and epicycle model. Aristotle submits to the calculations of astronomers regarding the...

Capella, who described a system in which Mercury and Venus are placed on epicycles around the Sun, which circles the Earth. Copernicus, who cited Capella's...

proposed a theory on planetary motion in which he wished to avoid both epicycles and eccentrics, and to account for the phenomena peculiar to the wandering...

Eudoxus for their imperfect theory of celestial spheres and also the use of epicycles, which he felt to be inconsistent with Aristotle's philosophical postulates...

retrograde motion of the planets could be explained much better without epicycles, with the Earth orbiting the Sun rather than the other way around. Rheticus...

by Igor Stravinsky Cinq pièces faciles (1917) Stella Sung (b. 1959) Epicycles (1992) Josef Tal (1910–2008) Pieces for piano four hands (1931) A Little...

fluid camera movements of a Max Ophuls than the elaborate cycles and epicycles of the Jancsó world, where everybody — open fields notwithstanding — is...

waves in rotating stellar discs where the free path is the size of the epicycle. Fridman first showed that Landau nonlinear damping can exist in stellar...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

values of sines and versine Graha-sphuṭī-karma: changes in the size of epicycles according to the quadrant Jīvā-prakalpana: a table of 12 sine values with...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Azimuth Celestial mechanics Celestial spheres Circular orbit Deferent and epicycle Earth's rotation Eccentricity Ecliptic Elliptic orbit Equant Galaxy Geocentrism...

the Ballade for Eight Players, Purgatory Pieces for string quartet, and Epicycle for chamber orchestra - first performed by The New Ensemble, directed by...

clarinet, bassoon, horn, trumpet, trombone, tuba and string quintet (1989) Epicycles, for solo cello, flute, oboe, clarinet, horn, trumpet, trombone, tuba...

technology (Farr's law). Now seems more like Ptolemaic astronomy with epicycles and deferents. This from an institute whose reputation is based on GBD...

Jordan-Smith helped D.M. Dooling found Parabola magazine and served as its Epicycle editor. Jordan-Smith was a great admirer of the 17th-century British author...

combination of epicycles and eccentrics, while followers of Averroe thought orbs needed to be centered around the Earth, therefore epicycles and eccentrics...

Uros Rojko, Der Atem der verletzten Zeit 1990, Oslo, Iannis Xenakis, Epicycles 1990, Oslo, Alfred Schnittke, Concerto Grosso I 1990, Oslo, Giacinto Scelsi...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

planetary system proposed by Copernicus involved fewer modifications (such as epicycles) than Ptolemy’s system, when in fact the opposite was true. Despite the...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Concerto for amplified cello and orchestra Five (1975) Iannis Xenakis Epicycles, for cello and 12 instruments Victoria Yagling Cello Concerto No. 1 (1975)...

discoveries: some standard examples include phlogiston and ptolemaic epicycles. This raises questions, in the debate between scientific realism and instrumentalism...

the Copernican astronomical system with the explanatory weakness of the epicycles of the Ptolemaic system, both of which had equal descriptive and predictive...

calculation and the correction, correction of the periphery of the manda epicycle, discussion on the precision of the equinoxes, corrections due to the precession...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

to memorize all these factors using the katapayadi system. Chapter 7 : Epicycles of the Moon and the Sun, the apogee and perigee of the planets; sign calculation...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

verbose gibberish ("excentricals, / Centers, concentrics, circles, and epicycles," and "with scioferical instrument, / By way of azimuth and almicantarath...

Dedication of Nikandre Defeat of Leonnatus by Antiphilus Deferent and epicycle Definitions (Plato) Deianira Deidamia (mythology) Deidamia of Scyros Deileon...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

Celestial sphere Celestial spheres Center of mass Circular orbit Deferent and epicycle Earth's rotation Ecliptic Elliptic orbit Equant Geocentrism Geoheliocentrism...

V, 3-4 (Winter 1940–41), 4-8. "An Essay into Internationalism: I. of Epicycle and Men", North Georgia Review, V, 3–4 (Winter 1940–41), 9-17. With Paula...

four solo violas and 8 part massed violas BAI sanxian for string quartet Epicycle for string quartet Fire in the Belly for piano trio Flurry for three string...

possessed two spheres, and the Moon three. He also spoke of planetary epicycles and speeds. His values for the longitudes and apogees of celestial objects...

2001. Solo Suite (1967) A Time (1968) Perimeters (1969) Untitled (1970) Epicycles (1970) Signals (1970) glass and shadows (1971) Laura's Dance (1971) Songandance...