| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,756,649,624 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Almagest |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.01 sec. |
|
Almagest: see Ptolemy Ptolemy (Claudius Ptolemaeus), fl. 2d cent. A.D., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancient times. ..... Click the link for more information. . AlmagestAstronomical and mathematical encyclopedia compiled c. AD 140 by Ptolemy. It served as the basic guide for Arab and European astronomers until the 17th century. The name derives from the Arabic for “the greatest.” Its 13 books cover such topics as the geocentric (Earth-centred), or Ptolemaic, model of the solar system; eclipses; the coordinates and sizes of certain fixed stars; and the distances to the Sun and the Moon. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in classic literature | |
|---|---|---|
But when it came to almagest and astrolabe, the counting of figures and reckoning of epicycles, away would go her thoughts to horse and hound, and a vacant eye and listless face would warn the teacher that he had lost his hold upon his scholar. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|