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Al-Juzjani even proposed a solution to the problem. In al-Andalus, the anonymous work al-Istidrak ala Batlamyus (meaning "Recapitulation regarding Ptolemy"), included a list of objections to the Ptolemic astronomy. One of the most important works in the period was Al-Shukuk ala Batlamyus ("Doubts on Ptolemy"). In this, the author summed up the ...
1582 – Pope Gregory XIII introduces the Gregorian calendar, an enhanced solar calendar more accurate than the previous Roman Julian calendar. [72] The principal change was to space leap years differently so as to make the average calendar year 365.2425 days long, more closely approximating the 365.2422-day 'tropical' or 'solar' year that is ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
Print/export Download as PDF; Printable version; ... Timeline of Solar System astronomy; Timeline of discovery of Solar System planets and their moons;
This timeline of cosmological theories and discoveries is a chronological record of the development of humanity's understanding of the cosmos over the last two-plus millennia. Modern cosmological ideas follow the development of the scientific discipline of physical cosmology .
Ptolemy I Soter (Ptolemy, son of Lagus): 304–285 BC; Ptolemy II Philadelphus: 284–247 BC; Ptolemy III Euergetes: 246–222 BC; Ptolemy IV Philopator: 221–205 BC; Ptolemy V Epiphanes: 204–181 BC; Ptolemy VI Philometor: 180–146 BC; Ptolemy VIII Euergetes II: 145–117 BC; Ptolemy IX Soter II: 116–81 BC; Ptolemy XII Neos Dionysus: 80 ...
Download as PDF; Printable version; ... Pages in category "History of astronomy" The following 88 pages are in this category, out of 88 total. ... Timeline of astronomy;
Timeline of astronomical maps, catalogs and surveys. c. 1800 BC — Babylonian star catalog (see Babylonian star catalogues) c. 1370 BC; Observations for the Babylonia MUL.APIN (an astro catalog). [1] c. 350 BC — Shi Shen's star catalog has almost 800 entries; c. 300 BC — star catalog of Timocharis of Alexandria