When did the English astronomer born in 1618 demonstrate that the moon moved around the earth?
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Jeremiah Horrocks Jeremiah Horrocks (1618 – 3 January 1641), sometimes given as Jeremiah Horrox (the Latinised version that he used on the Emmanuel College register and in his Latin manuscripts), was an English astronomer. He was the first person to demonstrate that the Moon moved around the Earth in an elliptical orbit; and he was the only person to predict the transit of Venus of 1639, an event which he and his friend William Crabtree were the only two people to observe and record.
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Transit of Venus, 1639 The first known observations and recording of a transit of Venus were made in 1639 by the English astronomers Jeremiah Horrocks and his friend and correspondent William Crabtree. The pair made their observations independently on 4 December that year (24 November under the Julian calendar then used in England); Horrocks from Carr House, then in the village of Much Hoole, Lancashire, and Crabtree from his home in Broughton, near Manchester.
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Jacob Heinrich Wilhelm Lehmann Jacob Heinrich Wilhelm Lehmann (3 January 1800 – 17 July 1863) was a German astronomer. He is most noted today as the namesake for the crater Lehmann on the Moon.
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Richard Laughton Richard Laughton (1670?–1723) was an English churchman and academic, now known as a natural philosopher and populariser of the ideas of Isaac Newton.
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John William Draper John William Draper (May 5, 1811 – January 4, 1882) was an English-American scientist, philosopher, physician, chemist, historian and photographer. He is credited with producing the first clear photograph of a female face (1839–40) and the first detailed photograph of the moon in 1840. He was also the first president of the American Chemical Society (1876–77) and a founder of the New York University School of Medicine. One of Draper's books, the "History of the Conflict between Religion and Science", popularised the conflict thesis proposing intrinsic hostility in the relationship between religion and science. It was widely read, and was translated into several languages. His son, Henry Draper, and his granddaughter, Antonia Maury, were astronomers, her younger sister, Carlotta Maury was a paleontologist, and his eldest son, John Christopher Draper, was a chemist.
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Heraclides Ponticus Heraclides Ponticus (Ancient Greek: Ἡρακλείδης ὁ Ποντικός "Herakleides"; c. 390 BC – c. 310 BC ) was a Greek philosopher and astronomer who was born in Heraclea Pontica, now Karadeniz Ereğli, Turkey, and migrated to Athens. He is best remembered for proposing that the Earth rotates on its axis, from west to east, once every 24 hours. He is also frequently hailed as the originator of the heliocentric theory, although this is doubted.
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John Hadley John Hadley (16 April 1682 – 14 February 1744) was an English mathematician, and laid claim to the invention of the octant, two years after Thomas Godfrey claimed the same.
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Johann Franz Encke Johann Franz Encke (] ; 23 September 1791 – 26 August 1865) was a German astronomer. Among his activities, he worked on the calculation of the periods of comets and asteroids, measured the distance from the earth to the sun, and made observations of the planet Saturn.
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Patrick d'Arcy Patrick d'Arcy (27 September 1725 – 18 October 1779) was born in the west of Ireland. His family, who were Catholics, suffered under the penal laws. In 1739 d'Arcy was sent abroad by his parents to an uncle in Paris. He was tutored in mathematics by Jean-Baptiste Clairaut, and became a friend of Jean-Baptiste's son, Alexis-Claude Clairaut, (Alexis Clairaut), who was a brilliant young mathematician. d'Arcy made original contributions to dynamics. He is best known for his part in the discovery of the principle of angular momentum, in a form which was known as "the principle of areas," which he announced in 1746. See the article on areal velocity. d'Arcy also had an illustrious military career in the French army. He obtained the title of "Count" in the French nobility. He was a generous patron of Irish refugees in France. In addition to his contributions to dynamics, he performed research on artillery and on electricity. An experiment of his, reported in 1765, on visual perception is often referred to: it involved a rotating disk on which a burning coal was placed; when the disk was spun at an angular velocity exceeding seven revolutions per second, a full circle of light was perceived. This and other experiments makes d'Arcy the first person to demonstrate the illusion of a moving image; although Joseph Plateau greatly elaborated on this initial finding. d'Arcy was elected to the Academie Royale des Sciences in 1749. He died from cholera in Paris in October 1779.
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Astronomer An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth. They look at stars, planets, moons, comets and galaxies, as well as many other celestial objects — either in observational astronomy, in analyzing the data or in theoretical astronomy. Examples of topics or fields astronomers work on include: planetary science, solar astronomy, the origin or evolution of stars, or the formation of galaxies. There are also related but distinct subjects like physical cosmology which studies the Universe as a whole.
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John Speed John Speed (1551 or 1552 – 28 July 1629) was an English cartographer and historian. He is the best known English mapmaker of the Stuart period.
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William Lax William Lax {'1': ", '2': ", '3': 'FRS', '4': "} (1761 – 29 October 1836) was an English astronomer and mathematician who served as Lowndean Professor of Astronomy and Geometry at the University of Cambridge for 41 years.
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Edward Wright (mathematician) Edward Wright (baptised 8 October 1561; died November 1615) was an English mathematician and cartographer noted for his book "Certaine Errors in Navigation" (1599; 2nd ed., 1610), which for the first time explained the mathematical basis of the Mercator projection, and set out a reference table giving the linear scale multiplication factor as a function of latitude, calculated for each minute of arc up to a latitude of 75°. This was in fact a table of values of the integral of the secant function, and was the essential step needed to make practical both the making and the navigational use of Mercator charts.
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Martin Behaim Martin Behaim (6 October 1459 – 29 July 1507), also known as Martin von Behaim and by various forms of Martin of Bohemia (Latin: "Martinus Bohemus" and "de Boëmia "; Portuguese: "Martinho da Boémia" ; German: "Martin Behaim von Schwarzbach" ) was a German mariner, artist, cosmographer, astronomer, philosopher, geographer, and explorer in service to King John II. His maps are sometimes held to have been influential on the Age of Discovery but he is now best known for his Erdapfel, the world's oldest surviving globe, which he produced for the Imperial City of Nuremberg.
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Paul Neile Sir Paul Neile FRS (1613 – February 1686) was an English astronomer and politician who sat in the House of Commons in 1640 and from 1673 to 1677.
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Simon Marius Simon Marius (Latinized from German "Simon Mayr"; January 20, 1573 – January 5, 1625) was a German astronomer. He was born in Gunzenhausen, near Nuremberg, but he spent most of his life in the city of Ansbach.
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John Smith (Platonist) John Smith (born 1618 in Achurch, Northamptonshire — died August 7, 1652 in Cambridge) was an English philosopher, theologian, and educator.
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Lunar geologic timescale The lunar geological timescale (or selenological timescale) divides the history of Earth's Moon into five generally recognized periods: the Copernican, Eratosthenian, Imbrian (Late and Early epochs), Nectarian, and Pre-Nectarian. The boundaries of this time scale are related to large impact events that have modified the lunar surface, changes in crater form that occur through time, and the size-frequency distribution of craters superposed on geological units. The absolute ages for these periods have been constrained by radiometric dating of samples obtained from the lunar surface. However, there is still much debate concerning the ages of certain key events, because correlating lunar regolith samples with geological units on the Moon is difficult, and most lunar radiometric ages have been highly affected by an intense history of bombardment.
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Solar eclipse of April 8, 1652 A total solar eclipse occurred on April 8, 1652. In contemporary British sources, the date is alternately listed as March 29, 1652 following the Old Style as Great Britain had not yet adopted of the Gregorian Calendar by that time. 19th century authors further adjusted the date to March 24, 1652 so that it fell on a Monday. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide.
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Conical pendulum A conical pendulum consists of a weight (or bob) fixed on the end of a string or rod suspended from a pivot. Its construction is similar to an ordinary pendulum; however, instead of swinging back and forth, the bob of a conical pendulum moves at a constant speed in a circle with the string (or rod) tracing out a cone. The conical pendulum was first studied by the English scientist Robert Hooke around 1660 as a model for the orbital motion of planets. In 1673 Dutch scientist Christiaan Huygens calculated its period, using his new concept of centrifugal force in his book "Horologium Oscillatorium". Later it was used as the timekeeping element in a few mechanical clocks and other clockwork timing devices.
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Robert Hooke Robert Hooke FRS ( ; 28 July [O.S. 18 July] 1635  – 3 March 1703) was an English natural philosopher, architect and polymath.
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John Harrison John Harrison (3 April [O.S. 24 March] 1693 – 24 March 1776) was a self-educated English carpenter and clockmaker who invented a marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea. His solution revolutionized navigation and greatly increased the safety of long-distance sea travel. The problem he solved was considered so important following the Scilly naval disaster of 1707 that the British Parliament offered financial rewards of up to £20,000 (equivalent to £ today) under the 1714 Longitude Act. Harrison came 39th in the BBC's 2002 public poll of the 100 Greatest Britons.