Gregory was one of the founders of the Royal Astronomical Society.
He wrote An Astronomical Description of the late Comet (1619); Canicularia (1648); and translated Proclus' De Sphaera, and Ptolemy's De Planetarum Hypothesibus (1620).
The odds against the coincidence were astronomical, until I considered the facts.
He also compiled astronomical tables and a treatise on the quadrant.
Mr Charles Green was commissioned to conduct the astronomical observations, and Sir Joseph Banks and Dr Solander were appointed botanists to the expedition.
He contributed extensively to the periodical literature of astronomy, and was twice, in 1823 and 1830, the recipient of the Royal Astronomical Society's gold medal.
The results were published in 1885 in his Uranometria Nova Oxoniensis, and their importance was recognized by the bestowal in 1886 upon him, conjointly with Professor Pickering, of the Royal Astronomical Society's gold medal.
11 Astronomical inquiries in connexion with optics, meteorological phenomena, and, in a word, the whole field of natural laws, excited his desire to explain them.
In 1878 he was elected a Foreign Associate of the Royal Astronomical Society.
The number of places whose position had been determined by astronomical observation was as yet very small, and the map had thus to be compiled mainly from itineraries furnished by travellers or the dead reckoning of seamen.
Little is known of him except that he belonged to a family of Yemen, was hold in repute as a grammarian in his own country, wrote much poetry, compiled astronomical tables, devoted most of his life to the study of the ancient history and geography of Arabia, and died in prison at San'a in 945.
Before astronomical telescopes were mounted parallactically, the measurement of position angles was seldom attempted.
He was a fellow of the Royal, Royal Astronomical, Geological and other scientific societies.
The astronomical observatory at Tashkent is adopted for the initial starting-point of the trans-Caspian triangulation of Russia; the triangulation ranks as second-class only, and now extends to the Pamir frontier beyond Osh.
The final result of this latest determination is to place the Madras observatory 2' 27" to the west of the position adopted for it on the strength of absolute astronomical determinations.
In its simplest form, consisting of a ring fixed in the plane of the equator, the armilla is one of the most ancient of astronomical instruments.
The fables of the phoenix and of the conduct of the wild ass and the ape at the time of the equinox owe their origin to astronomical symbols belonging to the.
In 1828 the Astronomical Society, to mark their sense of the benefits conferred on science by such a series of laborious exertions, unanimously resolved to present her with their gold medal, and in 1835 elected her an honorary member of the society.
Distributed large sums in charity, and at his own charges placed costly astronomical instruments in the Vatican observatory, providing also accommodation and endowment for a staff of officials.
No purely astronomical enterprise was ever carried out on so Transits of P large a scale or at so great an expenditure of money and labour as was devoted to the observations of these transits, and for several years before their occurrence the astronomers of every leading nation were busy in discussing methods of observation and working out the multifarious details necessary to their successful application.
If we obtained this ten-thousand-fold increase simply by allowing specialization and dividing work up among people, then what astronomical gains will we achieve by outsourcing that work to robots capable of working with unimaginable precision at unimaginable speed?
Of his astronomical writings during this period the most important are his investigation of the mass of Jupiter, his report to the British Association on the progress of astronomy during the 19th century, and his memoir On an Inequality of Long Period in the Motions of the Earth and Venus.
In recognition of this work the medal of the Royal Astronomical Society was awarded him in 1833.
He was five times president of the Royal Astronomical Society, was correspondent of the French Academy and belonged to many other foreign and American societies.
The doctrine described by them that from the supreme God (the innatus pater) had emanated 365 heavens with their spirits, answers originally to the astronomical conception of the heavens with their 365 daily aspects (Irenaeus i.
Even in the Leiden papyrus the astronomical symbols for the sun and moon are used to denote gold and silver, and in the Meteorologica of Olympiodorus lead is attributed to Saturn, iron to Mars, copper to Venus, tin to Hermes (Mercury) and electrum to Jupiter.
815), the son and successor ci Harun al-Rashid, caused an Arabic version of Ptolemy's great astronomical work (rat, meyio-Tf) to be made, which is known as the Almagest, the word being nothing more than the Gr.
About the same time Isaac Israeli wrote his Yesodh `Olam and other astronomical works which were much studied.
For this work Airy received in 1848 a testimonial from the Royal Astronomical Society, and it at once led to the discovery by P. A.
Having been educated by Richard Weston, a Leicester botanist, he published in 1793 a treatise, Lessons Astronomical and Philosophical.
At once she became a valuable co-operator with him both in his professional duties and in the astronomical researches to which he had already begun to devote all his spare time.
Though she returned to Hanover in 1822 she did not abandon her astronomical studies, and in 1828 she completed the reduction, to January 1800, of 2500 nebulae discovered by her brother.
The compiler, in combining these materials, is called upon to examine the various sources of information, and to form an estimate of their value, which he can only do if he have himself some knowledge of surveying and of the methods of determining positions by astronomical observation.
He moreover accuses Eratosthenes, (whose determination of a degree he accepts without hesitation) with trusting too much to hypothesis in compiling his map instead of having recourse to latitudes and longitudes deduced by astronomical observations.
See Transactions of the Royal Astronomical Society (1852).
It contains a valuable library with many incunabula and old manuscripts, amongst which is one of the Nibelungenlied, an astronomical observatory, a collection of antiquities, and a mineral collection.
In 1526 he was sent out in command of an expedition fitted out for the purpose of determining by astronomical observations the exact line of demarcation, under the treaty of Tordesillas, between the colonizing spheres of Spain and Portugal, and of conveying settlers to the Moluccas.
Besides numerous contributions to the Proceedings of the Royal and the Royal Astronomical Societies, he published several books, both explanatory and speculative.
In the Drum Tower incense-sticks, specially prepared by the astronomical board, are kept burning to mark the passage of time, in which important duty their accuracy is checked by a clepsydra.
The ocean separating Europe from he was dependent upon dead reckoning, for although various methods for determining a longitude were known, the available astronomical ephemerides were not trustworthy, and errors of 30 in longitude were by no means rare.
It figured in astronomical tables until the time of Copernicus, but is now known to have no foundation in fact, being based on an error in Ptolemy's determination of precession.
Morgan Library; Williston Hall, containing the Mather Art Museum, the rooms of the Young Men's Christian Association, and several lecture-rooms; Walker Hall, with college offices and lecture-rooms; Hitchcock Hall; Barrett Hall (1859), the first college gymnasium built in the United States, now used as a lecture hall; the Pratt Gymnasium and Natatorium and the Pratt Health Cottage, whose donors also gave to the college the Pratt Field; an astronomical observatory; and the two dormitories, North College and South College, supplemented by several fraternity houses.
1074) to institute astronomical observations on a larger scale, and to aid him in his great enterprise of a thorough reform of the calendar.
The results of Omars research werea revised edition of the Zif or astronomical tables, and the introduction of the Tarikh-i-Malikshahi or JalalI, that is, the so-called Jalalian or SeljUk era, which commences in A.H.
He was also a prime mover in the establishment of the Cambridge Astronomical Observatory, and in the founding of the Cambridge Philosophical Society.
420) of a change of form in the Greenwich mural quadrant led to the introduction of astronomical circles at the Royal Observatory, and to his own appointment as its head.
The archiepiscopal palace; the lyceum, with a good library and an astronomical observatory; the seminary for Roman priests; and the town-hall are all noteworthy.
Instead of the period it is common in astronomical practice to use the mean angular speed, called the mean motion of the body.
In a letter, Del movimento della cometa apparsa it mese di decembre 1664, published in 1665 under the pseudonym Pier Maria Mutoli, he was the first to suggest the idea of a parabolic path; and another of his astronomical works was Theorica mediceorum planetarum ex causis physicis deducta (Florence, 1666), in which he considered the influence of attraction on the satellites of Jupiter.
These materials generally include reconnaissance survey of small districts, route surveys and astronomical observations supplied by travellers, and information obtained from native sources.
The improvement of the telescope was justly regarded as a sine qua non for the advancement of astronomical knowledge.
At the age of twenty-three he repaired to Bologna, and there varied his studies of canon law by attending the astronomical lectures of Domenico Maria Novara (1454-1504).
In astronomical practice the masses of the planets are commonly expressed as fractions of the mass of the sun, the latter being taken as unity.
The most careful determinations are affected by systematic errors arising from those diurnal and annual changes of temperature, the effect of which cannot be wholly eliminated in astronomical observation; and the recently discovered variation of latitude has introduced a new element of uncertainty into the determination.
Sci., 1901.) the only two invertebrates which had impressed the minds of early men sufficiently to be raised to the dignity of astronomical representation.
5 represents the instrument with which a half of the astronomical measurements of the 19th century were made.
See Monthly Notices of the Royal Astronomical Society (1899).
The correct date of the Easter festival was to be calculated at Alexandria, the home of astronomical science, and the bishop of that see was to announce it yearly to the churches under his jurisdiction, and also to the occupant of the Roman see, by whom it was to be communicated to the Western churches.