By Olaf Pedersen
The Almagest, through the Greek astronomer and mathematician Ptolemy, is crucial surviving treatise on early mathematical astronomy, providing historians beneficial perception into the astronomy and arithmetic of the traditional world.
Pedersen's 1974 ebook, A Survey of the Almagest, is the latest in a protracted culture of partners to the Almagest. half paraphrase and half remark, Pedersen's paintings has earned the common compliment of historians and serves because the definitive introductory textual content for college students drawn to learning the Almagest.
during this revised version, Alexander Jones, a individual authority at the historical past of early astronomy, presents supplementary info and statement to the unique textual content to account for scholarship that has seemed when you consider that 1974. This revision additionally accommodates numerous corrections to Pedersen's unique textual content which were pointed out for the reason that its publication.
This quantity is meant to supply scholars of the heritage of astronomy with a self-contained creation to the Almagest, assisting them to appreciate and savour Ptolemy's nice and classical paintings.
Read or Download A Survey of the Almagest: With Annotation and New Commentary by Alexander Jones (Sources and Studies in the History of Mathematics and Physical Sciences) PDF
Similar astronomy books
Highlights from Sky & Telescope's Deep-Sky Wonders column reveal the independence of inspiration and devotion to craft that made author "Scotty" Houston a favourite between readers for nearly 50 years. Sky & Telescope journal contributing editor Stephen James O'Meara has chosen and organized the easiest of Scotty's paintings right into a year-round consultant to the famous person clusters, nebulae, and galaxies that entice skygazers into their backyards on transparent, darkish nights.
The time period “chemical evolution of galaxies” refers back to the evolution of abundances of chemical species in galaxies, that's because of nuclear techniques taking place in stars and to gasoline flows into and out of galaxies. This booklet offers with the chemical evolution of galaxies of all morphological varieties (ellipticals, spirals and irregulars) and stresses the significance of the big name formation histories in identifying the homes of stellar populations in several galaxies.
"Twenty-Five Astronomical Observations that modified the area" takes twenty-five trips via area, again in time and into human historical past. we start with the best sight of the Tycho Crater at the Moon, via a repeat of Galileo's observations of Jupiter's moons, after which flow out in the direction of the nebulae, stars, and galaxies.
StarGuides Plus represents the main finished and thoroughly verified number of sensible facts on organisations concerned about astronomy, similar area sciences and different comparable fields. This helpful reference resource (and its better half quantity, StarBriefsPlus) can be at the reference shelf of each library, association or person with any curiosity in those components.
- Major Impacts and Plate Tectonics
- Physics & philosophy
- Aristarchus of Samos: The Ancient Copernicus (Dover Books on Astronomy)
- Discovering the Essential Universe
- Astronomy (June 2016)
- Astronomy Notes
Extra info for A Survey of the Almagest: With Annotation and New Commentary by Alexander Jones (Sources and Studies in the History of Mathematics and Physical Sciences)
He does not say whether any kind of algorithm is used. Now it is obvious that the method is very similar to that used today in ordinary divisions of decimal fractions, so that a simple algorithm can be constructed along modern lines. For the first division it would look like the following scheme: 25;12,10 , 60°· 25 = 60° · 0°;12 1515°; 20, 1500° 1 = . 60° · 0°;0,10 == . •. . • I 15 I 60° 15° 12° ~ 3°; 20, 15 0°; 10, 0 3°; 10, 15 190';15 Another example of division has been analysed by Rome (1926, p.
This is the case with the Sun, the Moon, and the five planets. Further observations show that these seven bodies perform individual motions towards the East relative to the fixed stars and at the same time they take part in the diurnal rotation. It looks as if they are moving on a circle inclined to the equator. This is, in fact, exactly the case for the Sun, whose apparent path among the fixed stars is a great circle, called the ecliptic, and intersecting the equator at two diametrically opposed points called the vernal and the autumnal eq uinox.
In the classical sense) was unknown to the Ancients, and only slowly emerged at a much later time which it is difficult to determine precisely. However, both sphericafastronomy and planetary theory abound in mathematical relations which are best described as functions of one, two, or three variables. Such relations a mathematical astronomer like Ptolemy had to deal with, and one of the most fascinating but least investigated mathematical aspects of the Almagest is the rudimentary 'theory of function' which can be extracted from its pages.