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Giovanni Domenico (Jean-Dominique) Cassini Portrait Giovanni Domenico Cassini (June 8, 1625–September 14, 1712) was an Italian astronomer, engineer, and astrologer. Cassini was born in Perinaldo, Imperia, at that time in the Republic of Genoa. In the public domain by age This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... In the public domain by age This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... June 8 is the 159th day of the year in the Gregorian Calendar (160th in leap years), with 206 days remaining. ... Events March 27 - Prince Charles Stuart becomes King Charles I of England, Scotland and Ireland. ... September 14 is the 257th day of the year in the Gregorian calendar (258th in leap years). ... // Events Treaty of Aargau signed between Catholic and Protestants. ... An astronomer or astrophysicist is a person whose area of interest is astronomy or astrophysics. ... Look up engineer in Wiktionary, the free dictionary. ... An astrologer, in modern times, is a person who practices a form or forms of astrology; in earlier times, they were observer of the stars. ... Country Italy Region Liguria Province Province of Imperia (IM) Mayor Elevation 572 m Area 21. ... Imperia may be: Imperia is an italian city Province of Imperia, the italian province of the above city of Imperia Imperia (statue), a statue in Constance, Germany Imperia constructor, a Belgian car constructor This is a disambiguation page — a list of pages that otherwise might share the same title. ... The Republic of Genoa, in full the Most Serene Republic of Genoa (known as the Ligurian Republic from 1798 to 1805) was an independent state in Liguria on the northwestern Italian coast from ca. ... Contents 1 Astronomy and astrology 2 Engineering 3 Named after Cassini 4 External links [edit] Astronomy and astrology Cassini was an astronomer at the Panzano Observatory, from 1648 to 1669. He was a professor of astronomy at the University of Bologna and became, in 1671, director of the Paris Observatory. He thoroughly adopted his new country, to the extent that he became interchangeably known as Jean-Dominique Cassini —although that is also the name of his great-grand-son. A professor giving a lecture The meaning of the word professor (Latin: one who claims publicly to be an expert) varies. ... The University of Bologna (Italian Alma Mater Studiorum Università di Bologna, UNIBO) is the oldest continually operating degree-granting university in the world, and the second biggest university in Italy. ... gros pd]], enfoire at Nançay. ... Jacques Dominique, comte de Cassini (June 30, 1748 – October 18, 1845) was a French astronomer, son of César-François Cassini de Thury. ... Along with Robert Hooke, Cassini is given credit for the discovery of the Great Red Spot on Jupiter (ca. 1665). Cassini was the first to observe four of Saturn's moons, which he called Sidera Lodoicea; he also discovered the Cassini Division (1675). Around 1690, Cassini was the first to observe differential rotation within Jupiter's atmosphere. Robert Hooke, FRS (July 18, 1635 – March 3, 1703) was an English polymath who played an important role in the scientific revolution, through both experimental and theoretical work. ... The Great Red Spot is a persistent anticyclonic storm on the planet Jupiter, 22° south of the equator, which has lasted at least 340 years. ... Atmospheric characteristics Atmospheric pressure 70 kPa Hydrogen ~86% Helium ~14% Methane 0. ... Atmospheric characteristics Atmospheric pressure 140 kPa Hydrogen >93% Helium >5% Methane 0. ... Moons of the Solar System scaled to Earths Moon A natural satellite is an object that orbits a planet or other body larger than itself and which is not man-made. ... Cassini Sidera Lodoicea (IPA ˈsɪdÉ™rÉ™ ËŒlÉ’dəʊˈɪʃə) is the name given by the astronomer Giovanni Domenico Cassini to the four moons of Saturn discovered by him in the years 1671, 1672, and 1684 and published in the Journal des sçavans in 1673 and 1686. ... Categories: Astronomy stubs ... Differential rotation is seen if parts of a rotating object move with different angular velocity. ... Atmosphere is the general name for a layer of gases that may surround a material body of sufficient mass. ... In 1672 he sent his colleague Jean Richer to Cayenne, French Guiana, while he himself stayed in Paris. The two made simultaneous observations of Mars and thus found its parallax to determine its distance, thus measuring for the first time the true dimensions of the solar system. Cayenne is the capital of the French overseas région of French Guiana. ...   City flag City coat of arms Motto: Fluctuat nec mergitur (Latin: Tossed by the waves, she does not sink) Coordinates Time Zone CET (GMT +1) Administration Country France Région ÃŽle-de-France Département Paris (75) Subdivisions 20 arrondissements Mayor Bertrand Delanoë  (PS) (since 2001) City Statistics Land area... Mars is the fourth planet from the Sun in the solar system, named after the Roman god of war (the counterpart of the Greek Ares), on account of its blood red color as viewed in the night sky. ... This article or section does not cite its references or sources. ... Major features of the Solar System (not to scale): The Sun, the eight planets, the asteroid belt containing the dwarf planet Ceres, outermost there is the dwarf planet Pluto (the dwarf planet Eris not shown), and a comet. ... Cassini was the first to make successful measurements of longitude by the method suggested by Galileo, using eclipses of the satellites of Jupiter as a clock. Longitude, sometimes denoted by the Greek letter λ, describes the location of a place on Earth east or west of a north-south line called the Prime Meridian. ... Galileo Galilei (February 15, 1564 – January 8, 1642) was an Italian physicist, astronomer, and philosopher who is closely associated with the scientific revolution. ... MILSTAR:A communication satellite A satellite is any object that orbits another object (which is known as its primary). ... Attracted to the heavens in his youth, his first interest was in astrology rather than astronomy. Later in his life he focused almost exclusively on astronomy alone and all but denounced astrology as he became more and more involved in the scientific revolution and ultra-rational thought of the day. While young he read widely on the subject of astrology, and soon he was very knowledgeable about it; strangely enough, it was his extensive knowledge of astrology that led to his first appointment as an astronomer. Hand-coloured version of the anonymous Flammarion woodcut. ... A giant Hubble mosaic of the Crab Nebula, a supernova remnant. ... The event which most historians of science call the scientific revolution can be dated roughly as having begun in 1543, the year in which Nicolaus Copernicus published his De revolutionibus orbium coelestium (On the Revolutions of the Heavenly Spheres) and Andreas Vesalius published his De humani corporis fabrica (On the... In 1644 the Marquis Cornelio Malvasia, who was a senator of Bologna with a great interest in astrology, invited Cassini to Bologna and offered him a position in the Panzano Observatory which he was constructing at that time. Most of their time was spent calculating newer, better, and more accurate ephemerides for astrological purposes using the rapidly advancing astronomical methods and tools of the day. To meet Wikipedias quality standards, this article or section may require cleanup. ... Wikisource has ephemerides of several planets: Ephemeris of Sun Ephemeris of Moon Ephemeris of Mercury Ephemeris of Venus Ephemeris of Mars Ephemeris of Jupiter Ephemeris of Saturn Ephemeris of Uranus Ephemeris of Neptune Ephemeris of Pluto Ephemeris of Ceres Ephemeris of Pallas Ephemeris of Juno Ephemeris of Vesta An ephemeris... In 1669 Cassini moved to France and through a grant from Louis XIV of France helped to set up the Paris Observatory which opened in 1671; Cassini would remain the director of it for the rest of his career until his death in 1712. While in France Cassini also served as the court astronomer/astrologer of Louis XIV ("The Sun King") for forty-one years, serving the expected dual role yet focusing the overwhelming majority of his time on astronomy rather than the astrology he had studied so much of in his youth. He was a gay little boy who had many plessure dates with micheal jackson. Louis XIV (Louis-Dieudonné) (September 5, 1638 – September 1, 1715) ruled as King of France and of Navarre from May 14, 1643 until his death just prior to his seventy-seventh birthday. ... gros pd]], enfoire at Nançay. ... It has been suggested that this article or section be merged with History of astrology. ... During this time, Cassini's method of determining longitude was used to measure accurately the size of France for the first time. The country turned out to be considerably smaller than expected, and the king quipped that Cassini had taken more of his kingdom from him than he had won in all his wars. [edit] Engineering Cassini was employed by Pope Clement IX in regard to fortifications, river management, and flooding of the Po. Clement IX, né Giulio Rospigliosi (January 28, 1600 - December 9, 1669) was pope from 1667 to 1669. ... Table of Fortification, from the 1728 Cyclopaedia. ... Look up flood in Wiktionary, the free dictionary. ... The Po (Latin: Padus) is a river that flows 652 kilometers (405 miles) eastward across northern Italy, from Monviso (in the Cottian Alps) to the Adriatic Sea near Venice. ... The Pope asked Cassini to take Holy Orders to work with him permanently but Cassini turned him down because he wanted to work on astronomy full time. Roman Catholic deacon candidates prostrate before the altar of the Cathedral of Our Lady of the Angels in Los Angeles during a 2004 diaconate ordination liturgy Holy Orders in the modern Roman Catholic Church and in the Eastern Orthodox, Oriental Orthodox, Anglican, Assyrian, Old Catholic, and Independent Catholic Churches, includes... In the 1670s, Cassini begun work on a project to create a topographic map of France, using Reiner Gemma Frisius's technique of triangulation. The project was continued by his son Jacques Cassini and eventually finished by his grandson Cassini de Thury and published as the Carte de Cassini in 1789[1] or 1793[2]. It was the first topographic map of an entire country. Topography, a term in geography, has come to refer to the lay of the land, or the physiogeographic characteristics of land in terms of elevation, slope, and orientation. ... Triangulation can be used to find the distance from the shore to the ship. ... Jacques Cassini (February 8, 1677 - April 18, 1756) was a French astronomer, son of Giovanni Domenico Cassini Cassini was born at the Paris Observatory. ... Jacques Cassini (February 8, 1677 - April 18, 1756) was a French astronomer, son of Giovanni Domenico Cassini. ... The examples and perspective in this article or section may not represent a worldwide view. ... [edit] Named after Cassini Cassini-Huygens Mission to Saturn The Cassini Division in Saturn's rings Cassini Regio, dark area on Iapetus Cassini crater on Mars Cassini crater on the Moon Cassini's Laws 24101 Cassini, an asteroid Cassini Web Server This is an artists concept of Cassini during the Saturn Orbit Insertion (SOI) maneuver, just after the main engine has begun firing. ... Atmospheric characteristics Atmospheric pressure 140 kPa Hydrogen >93% Helium >5% Methane 0. ... Categories: Astronomy stubs ... Atmospheric characteristics Atmospheric pressure 140 kPa Hydrogen >93% Helium >5% Methane 0. ... Photomosaic of Cassini images taken Dec. ... Iapetus (eye-ap-É™-tÉ™s, IPA , Greek Ιαπετός) is the third-largest moon of Saturn, discovered by Giovanni Domenico Cassini in 1671. ... Mars is the fourth planet from the Sun in the solar system, named after the Roman god of war (the counterpart of the Greek Ares), on account of its blood red color as viewed in the night sky. ... Cassini is a lunar impact crater that is located in the Palus Nebularum, at the eastern end of Mare Imbrium. ... For other moons in the solar system see natural satellite. ... Cassinis Laws (1693) are three laws that deal with the motion of the Moon. ... 253 Mathilde, a C-type asteroid. ... [edit] External links Catholic Enyclopedia article O'Connor, John J., and Edmund F. Robertson. "Giovanni Domenico Cassini". MacTutor History of Mathematics archive. Categories: 1625 births | 1712 deaths | 17th century astronomers | 18th century astronomers | Astrologers | French astronomers | History of astronomy | Italian astronomers | Italian-French people | Natives of Liguria | Roman Catholic scientists | Roman Catholics

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	Giovanni Domenico Cassini Summary (2048 words) Cassini was an astronomer at the Panzano Observatory, from 1648 to 1669. Cassini was the first to make successful measurements of longitude by the method suggested by Galileo, using eclipses of the satellites of Jupiter as a clock. Cassini was employed by Pope Clement IX in regard to fortifications, river management, and flooding of the Po. Jean Dominique (Giovani Domenico) Cassini (530 words) Giovanni Domenico Cassini was born in Perinaldo in 1625, and already as a student showed great talent in mathematics and astronomy. Cassini established his reputation in Italy by careful and accurate solar and planetary measurements, which allowed him to produce improved planetary tables, as well as improved versions of Galileo's tables for the moons of Jupiter, then of great interest because of their potential use for determining longitudes at sea. Cassini's resulting value for the astronomical unit (Sun-Earth distance) was accurate to better than 90%, although the manner in which Cassini decided which of his multiple data to retain for the calculation, and which to throw out, has baffled science historians ever since.
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