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Orrery

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180: 1103:, which projects onto the dome of the planetarium a Sun with either dots or small images of the planets. These usually are limited to the planets from Mercury to Saturn, although some include Uranus. The light sources for the planets are projected onto mirrors which are geared to a motor which drives the images on the dome. Typically the Earth will circle the Sun in one minute, while the other planets will complete an orbit in time periods proportional to their actual motion. Thus Venus, which takes 224.7 days to orbit the Sun, will take 37 seconds to complete an orbit on an orrery, and Jupiter will take 11 minutes, 52 seconds. 1128: 1827: 637: 328: 1831: 378: 96: 336: 1083:; it is a true to scale (20 billion to one), true to position (accurate to within four days) human orrery. The first four planets are relatively close to one another, but the next four require a certain amount of hiking in order to visit them. A census of all permanent human orreries has been initiated by the French group F-HOU with a new effort to study their impact for education in schools. A map of known human orreries is available. 2423: 633:, in the Netherlands. It displays the planets across the width of a room's ceiling, and has been in operation almost continually since it was created. This orrery is a planetarium in both senses of the word: a complex machine showing planetary orbits, and a theatre for depicting the planets' movement. Eisinga house was bought by the Dutch Royal family who gave him a pension. 2411: 2253: 27: 2375: 2399: 2387: 359: 1170:, is in fact an orrery. It was constructed between 1774 and 1781. The base of the model faces down from the ceiling of the room, with most of the mechanical works in the space above the ceiling. It is driven by a pendulum clock, which has 9 weights or ponds. The planets move around the model in real time. 1604:
But if that sphere which was lately made by our friend Posidonius, the regular revolutions of which show the course of the sun, moon, and five wandering stars, as it is every day and night performed, were carried into Scythia or Britain, who, in those barbarous countries, would doubt that that sphere
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A normal mechanical clock could be used to produce an extremely simple orrery to demonstrate the principle, with the Sun in the centre, Earth on the minute hand and Jupiter on the hour hand; Earth would make 12 revolutions around the Sun for every 1 revolution of Jupiter. As Jupiter's actual year is
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In 1764, Benjamin Martin devised a new type of planetary model, in which the planets were carried on brass arms leading from a series of concentric or coaxial tubes. With this construction it was difficult to make the planets revolve, and to get the moons to turn around the planets. Martin suggested
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known at the time of its construction. The word planetarium has shifted meaning, and now usually refers to hemispherical theatres in which images of the night sky are projected onto an overhead surface. Orreries can range widely in size from hand-held to room-sized. An orrery is used to demonstrate
657:) which showed the inclined axis of the Earth and how it revolved around the Sun, and the lunarium which showed the eccentric rotations of the Moon around the Earth. In one orrery, these three motions could be mounted on a common table, separately using the central spindle as a prime mover. 111: 424:
published in 1703 details of a heliocentric planetary machine which he had built while living in Paris between 1665 and 1681. He calculated the gear trains needed to represent a year of 365.242 days, and used that to produce the cycles of the principal planets.
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dicebat enim Gallus sphaerae illius alterius solidae atque plenae vetus esse inventum, et eam a Thalete Milesio primum esse tornatam, post autem ab Eudoxo Cnidio, discipulo ut ferebat Platonis, eandem illam astris quae caelo inhaererent esse
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orbit Mars in a similar 4:1 time ratio. Planetarium operators wishing to show this have placed a red cap on the Sun (to make it resemble Mars) and turned off all the planets but Mercury and Earth. Similar approximations can be used to show
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two complicated astronomic clocks were built in 1561 and 1563–1568. These use four sides to show the ecliptical positions of the Sun, Mercury, Venus, Mars, Jupiter, Saturn, the Moon, Sun and Dragon (Nodes of the Moon) according to
362: 2021: 54:. It may also represent the relative sizes of these bodies; however, since accurate scaling is often not practical due to the actual large ratio differences, a scaled-down approximation may be used instead. 70:, Ireland). The plaque on it reads "Orrery invented by Graham 1700 improved by Rowley and presented by him to John Earl of Orrery after whom it was named by at the suggestion of Richard Steele." 2057: 1373: 1173:
An innovative concept is to have people play the role of the moving planets and other Solar System objects. Such a model, called a human orrery, has been laid out at the Armagh Observatory.
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An orrery should properly include the Sun, the Earth and the Moon (plus optionally other planets). A model that only includes the Earth, the Moon, and the Sun is called a
1458: 361: 163:, the Roman philosopher and politician writing in the first century BC, has references describing planetary mechanical models. According to him, the Greek polymaths 452:. The Sun in a brass orrery provides the only light in the room. The orrery depicted in the painting has rings, which give it an appearance similar to that of an 2187: 1106:
Some planetariums have taken advantage of this to use orreries to simulate planets and their moons. Thus Mercury orbits the Sun in 0.24 of an Earth year, while
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from the table above to show how it rotates around its own axis. It will show the Earth's Moon, rotating around the Earth. A lunarium is designed to show the
115: 1218:, the UrSkek TekTih made a giant automatic orrery, with the help of his fellow UrSkek ShodYod, for Aughra, in the mountaintop observatory where she lives. 2443: 2002: 316: 1059:. Human orreries, where humans move about as the planets, have also been constructed, but most are temporary. There is a permanent human orrery at 2160: 1899: 1258: 1186:
is a popular tool for constructing highly accurate orreries. Model 391, the first Meccano Orrery, was described in the June 1918 Meccano Manual.
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motions of the planets, making it feasible to represent the planets' paths as simple circles. This could be modeled by the use of gears.
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Die Planetenlaufuhr : ein Meisterwerk der Astronomie und Technik der Renaissance geschaffen von Eberhard Baldewein 1563 - 1568
1332: 1079:. Uranus and beyond are also shown, but in a fairly limited way. Another is at Sky's the Limit Observatory and Nature Center in 196: 1472:
Carman, Christián C.; Evans, James (15 November 2014). "On the epoch of the Antikythera mechanism and its eclipse predictor".
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with an animated Sun symbol which, for the first time on a celestial globe, shows the real position of the Sun, including the
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that the conventional orrery should consist of three parts: the planetarium where the planets revolved around the Sun, the
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first demonstrated that the mean distance of each planet from the Sun could be represented by the following progression:
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Ptolemaic planetary theories. The clock itself is lost, but Dondi left a complete description of its astronomic
2463: 2273: 2235: 605:{\displaystyle {\frac {4+0}{10}},{\frac {4+3}{10}},{\frac {4+6}{10}},{\frac {4+12}{10}},{\frac {4+24}{10}},...} 327: 153:. It has been dated between 205 to 87 BC. The mechanism is considered one of the first orreries. It was 2458: 1786: 1412: 751: 55: 416:, from which the device took its name in English. This model was presented to Charles' son John, later the 2087: 1148: 1132: 428: 409: 377: 352: 331:
The Orrery inside the Sphaera Copernicana, designed by Joseph of Gottorp and built by Andreas Bösch, 1653
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Orreries, Clocks, and London Society: The Evolution of Astronomical Instruments and Their Makers, 2nd Ed
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challenged the Western teaching of a geocentric universe in which the Sun revolved daily around the
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Astronomical clock (Venus-Mercury side) by Eberhard Baldewein, 1563–1568. Exhibit in the
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Geared to the stars : the evolution of planetariums, orreries, and astronomical clocks
303:'s improved instruments made precise observations of the skies (1576–1601), and from these 1700: 1374:"Orrery made by John Rowley for the Earl of Orrery | Science Museum Group Collection" 1297: 1254: 304: 1902:. 1300 South Lake Shore Drive • Chicago IL 60605: Adler Planetarium. 2010. Archived from 2037: 110: 2427: 2303: 2279: 1250: 1033: 394: 150: 134: 20: 2437: 1572: 1503: 1444: 1111: 1107: 464: 385:
from 1774 to 1781 in his living room, the oldest functioning planetarium in the world
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with the Sun as a planet, and with Mercury and Venus revolving around the Sun as its
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the motion of the planets, while a mechanical device used to predict eclipses and
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built the first known clock driven mechanism of the system. It displays the
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and used as a mechanical calculator to calculate astronomical positions.
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This article is about the mechanical device. For the Irish peerage, see
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that illustrates or predicts the relative positions and motions of the
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or tellurium, and one which only includes the Earth and the Moon is a
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had proposed a heliocentric universe. This simplified the apparent
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at the centre, and with a planet at the end of each of the arms.
1680:. Vol. 16. Edinburgh: William Blackwood et al. p. 624. 1162:
named Eise Eisinga in his own living room, in the small city of
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11.86 Earth years long, the model would lose accuracy rapidly.
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That is, 0.4, 0.7, 1.0, 1.6, 2.8, ... The numbers refer to
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Emmanuel Rollinde's "Planetaires Humains - Human Orreries" List
1754:"Orrery, by Thomas Tompion and George Graham, London, c. 1710" 1151:, built three between 1823 and 1833. The last is in Glasgow's 412:. Rowley was commissioned to make another copy for his patron 138: 79: 2150: 1707:(1ª ed.). Stuttgart: Dt. Gesellschaft für Chronometrie. 1040:, as shown in the table above. A tellurion will show the 1872:
The Earth, Its Shape, Internal Structure and Composition
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both constructed a device modeling celestial motion.
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had been made so perfect by the exertion of reason?
1044:revolving around the Sun. It will use the angle of 369:Modern working reconstruction of a grand orrery at 291:. He observed that some Greek philosophers such as 266:at the Astronomisch-Physikalisches Kabinett and in 1774: 1618: 1602:]. Translated by Yonge, Charles. p. 253. 1417:Transactions of the American Philosophical Society 604: 30:A small orrery showing Earth and the inner planets 234:As late as 1650, P. Schirleus built a geocentric 1656:Some Outstanding Clocks Over Seven Hundred Years 1971:Sky's The Limit Observatory & Nature Center 456:. The demonstration was thereby able to depict 307:(1621) deduced that planets orbited the Sun in 1732:. London: Bloomsbury Books. pp. 108–112. 1238:, an orrery was used to demonstrate a pending 640:A 1766 Benjamin Martin Orrery, used at Harvard 463:To put this in chronological context, in 1762 448:, depicts a group listening to a lecture by a 315:explained the cause of elliptic motion in his 2181: 2084:Bulletin of the Scientific Instrument Society 8: 1457:: CS1 maint: multiple names: authors list ( 434:A Philosopher giving a Lecture on the Orrery 118:, originally built between 1348 and 1364 in 1550:Astronomy: Globes Orreries and other Models 2188: 2174: 2166: 1617:King, Henry C.; Millburn, John R. (1978). 2091: 1493: 572: 551: 530: 509: 488: 486: 389:There is an orrery built by clock makers 1900:"Adler Planetarium:Research Collections" 709: 133:in the Mediterranean Sea, exhibited the 78:mechanism with a globe representing the 2370: 1365: 418:5th Earl of Cork and 5th Earl of Orrery 1917: 1543: 1541: 1450: 471:first enabled accurate measurement of 2348:Historical models of the Solar System 1667: 1665: 1474:Archive for History of Exact Sciences 1229:studies an orrery with planets on it. 1067:, which has the six ancient planets, 707:is a model of Jupiter and its moons. 341:A Philosopher Lecturing on the Orrery 247:William IV, Landgrave of Hesse-Kassel 7: 1795:participating institution membership 1137:Thinktank, Birmingham Science Museum 16:Mechanical model of the Solar System 2353:Numerical model of the Solar System 1874:. Vol. OU_S100_22. Bletchley: 1600:Treatises On The Nature Of The Gods 1158:The Eisinga Planetarium built by a 280:De revolutionibus orbium coelestium 262:. The clocks are now on display in 1948:Armagh Observatory and Planetarium 1517:Markoff, John (24 November 2014). 1212:In the backstory of the 1982 film 1153:Kelvingrove Art Gallery and Museum 1055:Orreries are usually not built to 283:, published in Nuremberg in 1543, 14: 2444:Historical scientific instruments 2298:Pajamäki Solar System Scale Model 2161:University of Pennsylvania Orrery 1853:"Welcome - Planetarium Friesland" 1232:In the 2000 science fiction film 1052:as it revolves around the Earth. 742:Inclination to ecliptic (degrees) 414:Charles Boyle, 4th Earl of Orrery 406:History of Science Museum, Oxford 272:Mathematisch-Physikalischer Salon 185:Mathematisch-Physikalischer Salon 114:Carlo G Croce, reconstruction of 64:Charles Boyle, 4th Earl of Orrery 2421: 2409: 2397: 2385: 2373: 2251: 1955:from the original on 2023-04-02. 1810:"Forerunners of the Planetarium" 1333:List of astronomical instruments 381:The orrery built by wool carder 2129:. Cham, Switzerland: Springer. 675:has only existed since 1714. A 625:was built from 1774 to 1781 by 74:They are typically driven by a 1328:John Fulton (instrument maker) 1: 2300:(Helsinki and Espoo, Finland) 2268:Akaa Solar System Scale Model 1343:Stability of the Solar System 1245:In the 2020 historical novel 723:Diameter (in Earth diameters) 438: 398: 345: 223:according to the complicated 103: 2343:Kirkhill Astronomical Pillar 2032:(9). SAO/NASA ADS: 489–495. 1857:www.planetarium-friesland.nl 1808:Ley, Willy (February 1965). 1081:Twentynine Palms, California 1032:A planetarium will show the 446:Derby Museum and Art Gallery 371:Derby Museum and Art Gallery 2469:Science education materials 1627:University of Toronto Press 1388:"Oxford English Dictionary" 1050:complex motions of the Moon 716:Average distance from Sun ( 50:, usually according to the 2485: 2156:Long Now Foundation Orrery 2151:JPL Solar System Simulator 2022:"The Franeker Planetarium" 2020:Sixma, H (November 1934). 1678:The Edinburgh Encyclopedia 1273:Apparent retrograde motion 1046:inclination of the equator 18: 2249: 2075:Whiting, Michael (2007). 1782:Oxford English Dictionary 1486:10.1007/s00407-014-0145-5 1257:by its first astronomer, 679:is one that includes the 40:model of the Solar System 2449:Astronomical instruments 2274:Gravity Discovery Centre 2236:Eise Eisinga Planetarium 1989:planetaire.over-blog.com 1924:: CS1 maint: location ( 1812:. For Your Information. 1730:The Practical Astronomer 1690:Lloyd (1958), pp. 46–57. 1672:Brewster, David (1830). 1182:The construction system 1828:"Revolutionary Players" 1787:Oxford University Press 1654:Lloyd, H. Alan (1958). 1548:Calvert, H. R. (1967). 1036:of each planet and the 2062:www.meccanoindex.co.uk 1814:Galaxy Science Fiction 1728:Ronan, Colin (1992) . 1413:de Solla, Price, Derek 1223:1999 version of Tarzan 1140: 739:Orbital period (years) 641: 606: 475:. In 1766, astronomer 444:), which hangs in the 410:Prince Eugene of Savoy 386: 374: 355: 353:Joseph Wright of Derby 332: 192: 122: 107: 31: 2211:Antikythera mechanism 1876:Open University Press 1423:(7): 1–70 (page 19). 1247:A Room Made of Leaves 1130: 639: 607: 380: 368: 338: 330: 317:theory of gravitation 182: 127:Antikythera mechanism 113: 100:Antikythera mechanism 98: 29: 2125:Buick, Tony (2020). 1870:Pentz, M.J. (1971). 1674:"Planetary Machines" 1133:Robert Brettell Bate 1119:and its five moons. 745:Axial tilt (degrees) 485: 477:Johann Daniel Titius 293:Aristarchus of Samos 2454:Solar System models 2322:Sweden Solar System 2318:(Somerset, England) 2316:Somerset Space Walk 2286:Monument to the Sun 2282:(Hvidovre, Denmark) 2276:(Gingin, Australia) 2197:Solar System models 2103:on 21 December 2014 2038:1934PA.....42..489S 1785:(Online ed.). 1552:. London: H.M.S.O. 1042:Earth with the Moon 623:Eisinga Planetarium 450:natural philosopher 285:Nicolaus Copernicus 2312:(Ithaca, New York) 2226:Astronomical clock 1985:"The Human Orrery" 1906:on 27 January 2012 1524:The New York Times 1303:Clockwork universe 1293:Astronomical clock 1177:In popular culture 1141: 1135:, c. 1812. Now in 1131:An orrery made by 1061:Armagh Observatory 642: 616:astronomical units 602: 469:marine chronometer 422:Christiaan Huygens 387: 375: 356: 333: 203:of the Moon, Sun, 193: 123: 108: 52:heliocentric model 32: 2361: 2360: 2310:Sagan Planet Walk 2306:(Lofoten, Norway) 2294:(Zagreb, Croatia) 2136:978-3-030-61776-9 2026:Popular Astronomy 1885:978-0-335-02034-8 1816:. pp. 87–98. 1793:(Subscription or 1714:978-3-89870-548-6 1338:Orbit of the Moon 1149:Fenwick, Ayrshire 1101:projection orrery 1030: 1029: 748:Rotational period 665:All orreries are 588: 567: 546: 525: 504: 420:. Independently, 366: 201:ecliptic position 116:Dondi's Astrarium 106:205 to 87 BC 102:, main fragment, 2476: 2426: 2425: 2414: 2413: 2412: 2402: 2401: 2400: 2390: 2389: 2378: 2377: 2376: 2369: 2288:(Zadar, Croatia) 2255: 2216:Armillary sphere 2190: 2183: 2176: 2167: 2140: 2112: 2111: 2109: 2108: 2102: 2096:. Archived from 2095: 2081: 2072: 2066: 2065: 2054: 2048: 2047: 2045: 2044: 2017: 2011: 2010: 1999: 1993: 1992: 1981: 1975: 1974: 1963: 1957: 1956: 1939: 1930: 1929: 1923: 1915: 1913: 1911: 1896: 1890: 1889: 1867: 1861: 1860: 1849: 1843: 1842: 1840: 1839: 1824: 1818: 1817: 1805: 1799: 1798: 1790: 1778: 1771: 1765: 1764: 1762: 1760: 1750: 1744: 1743: 1725: 1719: 1718: 1701:Poulle, Emmanuel 1697: 1691: 1688: 1682: 1681: 1669: 1660: 1659: 1651: 1645: 1644: 1624: 1614: 1608: 1607: 1595:De Natura Deorum 1592:Cicero, Marcus. 1589: 1583: 1582: 1571:Cicero, Marcus. 1568: 1562: 1561: 1545: 1536: 1535: 1533: 1531: 1514: 1508: 1507: 1497: 1469: 1463: 1462: 1456: 1448: 1409: 1403: 1402: 1400: 1398: 1384: 1378: 1377: 1370: 1278:Armillary sphere 1215:The Dark Crystal 1123:Notable examples 1065:Northern Ireland 710: 611: 609: 608: 603: 589: 584: 573: 568: 563: 552: 547: 542: 531: 526: 521: 510: 505: 500: 489: 454:armillary sphere 443: 440: 403: 400: 367: 350: 347: 260:equation of time 256:celestial sphere 245:At the court of 189:Dresden, Germany 105: 38:is a mechanical 2484: 2483: 2479: 2478: 2477: 2475: 2474: 2473: 2464:1704 in science 2434: 2433: 2432: 2420: 2410: 2408: 2398: 2396: 2384: 2374: 2372: 2364: 2362: 2357: 2326: 2270:(Akaa, Finland) 2256: 2247: 2199: 2194: 2147: 2137: 2124: 2121: 2119:Further reading 2116: 2115: 2106: 2104: 2100: 2093:10.1.1.694.9199 2079: 2074: 2073: 2069: 2056: 2055: 2051: 2042: 2040: 2019: 2018: 2014: 2001: 2000: 1996: 1983: 1982: 1978: 1965: 1964: 1960: 1941: 1940: 1933: 1916: 1909: 1907: 1898: 1897: 1893: 1886: 1869: 1868: 1864: 1851: 1850: 1846: 1837: 1835: 1826: 1825: 1821: 1807: 1806: 1802: 1792: 1773: 1772: 1768: 1758: 1756: 1752: 1751: 1747: 1740: 1727: 1726: 1722: 1715: 1699: 1698: 1694: 1689: 1685: 1671: 1670: 1663: 1653: 1652: 1648: 1641: 1616: 1615: 1611: 1591: 1590: 1586: 1574:de Re Publica I 1570: 1569: 1565: 1547: 1546: 1539: 1529: 1527: 1516: 1515: 1511: 1471: 1470: 1466: 1449: 1429:10.2307/1006146 1411: 1410: 1406: 1396: 1394: 1386: 1385: 1381: 1372: 1371: 1367: 1362: 1357: 1298:Celestial globe 1268: 1255:New South Wales 1227:title character 1179: 1125: 1093: 749: 663: 629:in his home in 574: 553: 532: 511: 490: 483: 482: 441: 401: 358: 348: 325: 305:Johannes Kepler 177: 145:, and the five 135:diurnal motions 93: 88: 73: 24: 17: 12: 11: 5: 2482: 2480: 2472: 2471: 2466: 2461: 2459:Scale modeling 2456: 2451: 2446: 2436: 2435: 2431: 2430: 2418: 2406: 2394: 2382: 2359: 2358: 2356: 2355: 2350: 2345: 2340: 2334: 2332: 2328: 2327: 2325: 2324: 2319: 2313: 2307: 2304:Planet Lofoten 2301: 2295: 2289: 2283: 2280:Kystagerparken 2277: 2271: 2264: 2262: 2258: 2257: 2250: 2248: 2246: 2245: 2240: 2239: 2238: 2228: 2223: 2218: 2213: 2207: 2205: 2201: 2200: 2195: 2193: 2192: 2185: 2178: 2170: 2164: 2163: 2158: 2153: 2146: 2145:External links 2143: 2142: 2141: 2135: 2120: 2117: 2114: 2113: 2067: 2049: 2012: 1994: 1976: 1958: 1943:"Human Orrery" 1931: 1891: 1884: 1862: 1844: 1819: 1800: 1766: 1745: 1738: 1720: 1713: 1692: 1683: 1661: 1646: 1639: 1609: 1584: 1563: 1537: 1509: 1480:(6): 693–774. 1464: 1404: 1379: 1364: 1363: 1361: 1358: 1356: 1355: 1350: 1345: 1340: 1335: 1330: 1325: 1320: 1315: 1310: 1305: 1300: 1295: 1290: 1285: 1280: 1275: 1269: 1267: 1264: 1263: 1262: 1251:Kate Grenville 1243: 1242:of the planet. 1230: 1219: 1210: 1187: 1178: 1175: 1124: 1121: 1092: 1089: 1034:orbital period 1028: 1027: 1024: 1021: 1018: 1015: 1012: 1009: 1006: 1003: 1000: 994: 993: 990: 987: 984: 981: 978: 975: 972: 969: 966: 960: 959: 956: 953: 950: 947: 944: 941: 938: 935: 932: 926: 925: 922: 919: 916: 913: 910: 907: 904: 901: 898: 892: 891: 888: 885: 882: 879: 876: 873: 870: 867: 864: 858: 857: 854: 851: 848: 845: 842: 839: 836: 833: 830: 824: 823: 820: 817: 814: 811: 808: 805: 802: 799: 796: 790: 789: 786: 783: 780: 777: 774: 771: 768: 765: 762: 756: 755: 746: 743: 740: 737: 734: 733:Density (g/cm) 731: 724: 721: 714: 662: 659: 601: 598: 595: 592: 587: 583: 580: 577: 571: 566: 562: 559: 556: 550: 545: 541: 538: 535: 529: 524: 520: 517: 514: 508: 503: 499: 496: 493: 395:Thomas Tompion 324: 321: 197:Giovanni Dondi 176: 173: 151:ancient Greeks 92: 89: 87: 84: 21:Earl of Orrery 15: 13: 10: 9: 6: 4: 3: 2: 2481: 2470: 2467: 2465: 2462: 2460: 2457: 2455: 2452: 2450: 2447: 2445: 2442: 2441: 2439: 2429: 2424: 2419: 2417: 2407: 2405: 2395: 2393: 2388: 2383: 2381: 2371: 2367: 2354: 2351: 2349: 2346: 2344: 2341: 2339: 2336: 2335: 2333: 2329: 2323: 2320: 2317: 2314: 2311: 2308: 2305: 2302: 2299: 2296: 2293: 2290: 2287: 2284: 2281: 2278: 2275: 2272: 2269: 2266: 2265: 2263: 2259: 2254: 2244: 2241: 2237: 2234: 2233: 2232: 2229: 2227: 2224: 2222: 2219: 2217: 2214: 2212: 2209: 2208: 2206: 2202: 2198: 2191: 2186: 2184: 2179: 2177: 2172: 2171: 2168: 2162: 2159: 2157: 2154: 2152: 2149: 2148: 2144: 2138: 2132: 2128: 2123: 2122: 2118: 2099: 2094: 2089: 2086:(94): 26–30. 2085: 2078: 2071: 2068: 2063: 2059: 2053: 2050: 2039: 2035: 2031: 2027: 2023: 2016: 2013: 2008: 2004: 1998: 1995: 1990: 1986: 1980: 1977: 1972: 1968: 1962: 1959: 1954: 1950: 1949: 1944: 1938: 1936: 1932: 1927: 1921: 1905: 1901: 1895: 1892: 1887: 1881: 1877: 1873: 1866: 1863: 1858: 1854: 1848: 1845: 1834:on 2011-07-24 1833: 1829: 1823: 1820: 1815: 1811: 1804: 1801: 1796: 1788: 1784: 1783: 1777: 1770: 1767: 1755: 1749: 1746: 1741: 1739:1-85471-047-8 1735: 1731: 1724: 1721: 1716: 1710: 1706: 1702: 1696: 1693: 1687: 1684: 1679: 1675: 1668: 1666: 1662: 1657: 1650: 1647: 1642: 1640:0-8020-2312-6 1636: 1632: 1628: 1623: 1622: 1613: 1610: 1606: 1601: 1597: 1596: 1588: 1585: 1581: 1576: 1575: 1567: 1564: 1559: 1555: 1551: 1544: 1542: 1538: 1526: 1525: 1520: 1513: 1510: 1505: 1501: 1496: 1491: 1487: 1483: 1479: 1475: 1468: 1465: 1460: 1454: 1446: 1442: 1438: 1434: 1430: 1426: 1422: 1418: 1414: 1408: 1405: 1393: 1389: 1383: 1380: 1375: 1369: 1366: 1359: 1354: 1351: 1349: 1346: 1344: 1341: 1339: 1336: 1334: 1331: 1329: 1326: 1324: 1321: 1319: 1316: 1314: 1311: 1309: 1306: 1304: 1301: 1299: 1296: 1294: 1291: 1289: 1286: 1284: 1281: 1279: 1276: 1274: 1271: 1270: 1265: 1260: 1259:William Dawes 1256: 1252: 1248: 1244: 1241: 1237: 1236: 1231: 1228: 1224: 1220: 1217: 1216: 1211: 1208: 1204: 1203: 1198: 1194: 1193: 1188: 1185: 1181: 1180: 1176: 1174: 1171: 1169: 1165: 1161: 1156: 1154: 1150: 1146: 1138: 1134: 1129: 1122: 1120: 1118: 1113: 1109: 1104: 1102: 1098: 1090: 1088: 1084: 1082: 1078: 1074: 1071:, and comets 1070: 1066: 1062: 1058: 1053: 1051: 1047: 1043: 1039: 1038:rotation rate 1035: 1025: 1022: 1019: 1016: 1013: 1010: 1007: 1004: 1001: 999: 996: 995: 991: 988: 985: 982: 979: 976: 973: 970: 967: 965: 962: 961: 957: 954: 951: 948: 945: 942: 939: 936: 933: 931: 928: 927: 923: 920: 917: 914: 911: 908: 905: 902: 899: 897: 894: 893: 889: 886: 883: 880: 877: 874: 871: 868: 865: 863: 860: 859: 855: 852: 849: 846: 843: 840: 837: 834: 831: 829: 826: 825: 821: 818: 815: 812: 809: 806: 803: 800: 797: 795: 792: 791: 787: 784: 781: 778: 775: 772: 769: 766: 763: 761: 758: 757: 753: 747: 744: 741: 738: 735: 732: 729: 725: 722: 719: 715: 712: 711: 708: 706: 702: 698: 693: 691: 688:is called an 687: 682: 681:outer planets 678: 674: 670: 669: 660: 658: 656: 652: 648: 638: 634: 632: 628: 624: 619: 617: 612: 599: 596: 593: 590: 585: 581: 578: 575: 569: 564: 560: 557: 554: 548: 543: 539: 536: 533: 527: 522: 518: 515: 512: 506: 501: 497: 494: 491: 480: 478: 474: 470: 466: 465:John Harrison 461: 459: 455: 451: 447: 436: 435: 430: 429:Joseph Wright 426: 423: 419: 415: 411: 407: 396: 392: 391:George Graham 384: 379: 372: 354: 343: 342: 337: 329: 322: 320: 318: 314: 310: 306: 302: 298: 294: 290: 286: 282: 281: 275: 273: 269: 265: 261: 257: 253: 248: 243: 241: 237: 232: 230: 226: 222: 218: 214: 210: 206: 202: 198: 190: 186: 181: 174: 172: 170: 166: 162: 158: 156: 152: 149:known to the 148: 144: 140: 136: 132: 128: 121: 117: 112: 101: 97: 90: 85: 83: 81: 77: 71: 69: 65: 61: 57: 53: 49: 45: 41: 37: 28: 22: 2416:Solar System 2338:Solar System 2230: 2126: 2105:. Retrieved 2098:the original 2083: 2070: 2061: 2052: 2041:. Retrieved 2029: 2025: 2015: 2006: 1997: 1988: 1979: 1970: 1961: 1946: 1908:. Retrieved 1904:the original 1894: 1871: 1865: 1856: 1847: 1836:. Retrieved 1832:the original 1822: 1813: 1803: 1780: 1769: 1757:. Retrieved 1748: 1729: 1723: 1704: 1695: 1686: 1677: 1655: 1649: 1620: 1612: 1603: 1599: 1594: 1587: 1578: 1577:(in Latin). 1573: 1566: 1549: 1528:. Retrieved 1522: 1512: 1477: 1473: 1467: 1453:cite journal 1420: 1416: 1407: 1395:. Retrieved 1391: 1382: 1368: 1323:Eratosthenes 1246: 1233: 1213: 1209:and its sun. 1200: 1192:Dune Messiah 1190: 1172: 1157: 1142: 1105: 1097:planetariums 1094: 1085: 1054: 1045: 1037: 1031: 736:No. of moons 728:Earth masses 694: 677:grand orrery 676: 672: 668:planetariums 666: 664: 654: 650: 643: 627:Eise Eisinga 620: 613: 481: 462: 432: 431:'s painting 427: 388: 383:Eise Eisinga 339: 313:Isaac Newton 278: 276: 244: 233: 194: 175:Early Modern 159: 124: 72: 58:had working 35: 33: 2404:Outer space 1629:. pp.  1625:. Toronto: 1580:descriptam; 1530:25 November 1495:11336/98820 1308:Eidouranion 1235:Pitch Black 1195:, the 1969 1160:wool carder 1145:John Fulton 890:24.5 hours 856:23.9 hours 671:. The term 442: 1766 402: 1710 349: 1766 301:Tycho Brahe 236:planetarium 229:gear trains 131:Antikythera 68:County Cork 2438:Categories 2292:Nine Views 2107:2017-05-03 2043:2011-06-22 1838:2010-02-09 1797:required.) 1558:B001A9C9SQ 1360:References 1318:Equatorium 1143:Shoemaker 1091:Projection 992:-17 hours 822:-243 days 373:, England) 311:. In 1687 225:geocentric 169:Posidonius 155:geocentric 60:planetaria 56:The Greeks 2380:Astronomy 2243:Tellurion 2221:Astrarium 2088:CiteSeerX 1504:120548493 1445:222364275 1353:Torquetum 1348:Tellurion 1313:Ephemeris 1288:Astrolabe 1283:Astrarium 1168:Friesland 1026:16 hours 958:11 hours 924:10 hours 726:Mass (in 697:tellurion 690:astrarium 655:tellurium 651:tellurian 647:tellurion 473:longitude 297:epicyclic 195:In 1348, 76:clockwork 1967:"Orrery" 1953:Archived 1920:cite web 1776:"orrery" 1266:See also 1164:Franeker 788:59 days 752:sidereal 705:jovilabe 701:lunarium 686:transits 661:Workings 631:Franeker 458:eclipses 309:ellipses 2428:Science 2366:Portals 2331:Related 2204:Devices 2034:Bibcode 1910:22 June 1759:29 June 1437:1006146 1397:11 July 1392:oed.com 1240:eclipse 1221:In the 1207:Arrakis 1184:Meccano 1099:have a 998:Neptune 896:Jupiter 760:Mercury 404:in the 270:at the 268:Dresden 252:Ptolemy 217:Jupiter 205:Mercury 147:planets 137:of the 91:Ancient 86:History 44:planets 2261:Models 2231:Orrery 2133:  2090:  1882:  1736:  1711:  1637:  1556:  1502:  1443:  1435:  1225:, the 1197:sequel 1112:Deimos 1108:Phobos 1073:Halley 964:Uranus 930:Saturn 713:Planet 673:orrery 649:(also 397:dated 323:Modern 264:Kassel 221:Saturn 165:Thales 161:Cicero 36:orrery 2392:Stars 2101:(PDF) 2080:(PDF) 1791: 1631:28–41 1598:[ 1500:S2CID 1441:S2CID 1433:JSTOR 1117:Pluto 1095:Many 1077:Encke 1069:Ceres 1057:scale 906:317.9 903:11.21 828:Earth 794:Venus 351:) by 289:Earth 240:moons 209:Venus 120:Padua 48:moons 2131:ISBN 2030:XLII 1926:link 1912:2011 1880:ISBN 1761:2021 1734:ISBN 1709:ISBN 1635:ISBN 1554:ASIN 1532:2014 1459:link 1399:2024 1202:Dune 1110:and 1075:and 1020:1.8° 1008:17.1 1005:3.88 1002:30.1 986:0.8° 974:14.5 971:4.01 968:19.2 952:2.5° 949:29.5 940:95.2 937:9.45 934:9.54 918:1.3° 915:11.9 900:5.20 884:1.9° 881:1.88 872:0.11 869:0.53 866:1.52 862:Mars 847:1.00 838:1.00 835:1.00 832:1.00 819:177° 816:3.4° 813:0.62 804:0.82 801:0.95 798:0.72 782:7.0° 779:0.24 770:0.05 767:0.38 764:0.39 703:. 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Index

Earl of Orrery

model of the Solar System
planets
moons
heliocentric model
The Greeks
planetaria
Charles Boyle, 4th Earl of Orrery
County Cork
clockwork
Sun

Antikythera mechanism

Dondi's Astrarium
Padua
Antikythera mechanism
Antikythera
diurnal motions
Sun
Moon
planets
ancient Greeks
geocentric
Cicero
Thales
Posidonius

Mathematisch-Physikalischer Salon

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