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Al-Farghani composed several works on astronomy and astronomical equipment that were widely distributed in Arabic and Latin and were influential to many scientists. His best known work, Kitāb fī Jawāmiʿ ʿIlm al-Nujūmi (whose name translates to Elements of astronomy on the celestial motions ), was an extensive summary of Ptolemy's Almagest ...
The Almagest (/ ˈ æ l m ə dʒ ɛ s t / AL-mə-jest) is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy (c. AD 100 – c. 170) in Koine Greek. [1]
Ptolemy's Handy Tables (Ancient Greek: πρόχειροι κανόνες, romanized: Procheiroi kanones) is a collection of astronomical tables that second century astronomer Ptolemy created after finishing the Almagest. The Handy Tables elaborated the astronomical tables of the Almagest and included usage instructions, but left out the ...
Telescope: instrument that makes distant objects appear magnified; Torquetum: medieval astronomical instrument; Triquetrum: ancient astronomical instrument; Volvelle: paper construct with rotating parts, may be considered a subclass of slide chart or movable book; Zenith telescope: type of telescope that points straight up
Following Sputnik, Edmund was able to capitalize on a growing national interest in science and astronomy. They expanded their business into a full line of telescopes and telescope kits as well as equipment, parts, and supplies for other scientific fields such as physics, optics, chemistry, microscopy, electronics, and meteorology.
The table of chords, created by the Greek astronomer, geometer, and geographer Ptolemy in Egypt during the 2nd century AD, is a trigonometric table in Book I, chapter 11 of Ptolemy's Almagest, [1] a treatise on mathematical astronomy. It is essentially equivalent to a table of values of the sine function.
Name: Lifespan: Country of work : George N. Saegmuller: 1847–1934 US Bernhard Schmidt: 1879–1935 Germany Ibn al-Shatir: 1304–1375 Syria: James Short: 1710–1768
Ptolemy's Almagest was published in the 2nd century AD. It remained the most authoritative text on astronomy for over 1500 years. [2] It details over 1022 stars, constellations, galaxies and nebulae along with their positions, ecliptic coordinates and magnitudes. It also describes in detail the construction of astronomical instruments. [3]
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