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History of Astronomy

 Essay about History of Astronomy

HISTORY OF ASTRONOMY

Astronomy is the oldest of the natural savoir, dating again to antiquity, using its origins in the religious,  mythological, and astrological practices of pre-history: vestiges of these continue to be found in astrology, a discipline long interwoven with open public and governmental astronomy, rather than completely disentangled from that until a couple of centuries in the past in the Western World�. In a few cultures massive data was used for horoscope prognostication. Ancient astronomers could differentiate between stars and planets, as celebrities remain relatively fixed over the centuries whilst planets can move an appreciable amount during a fairly short time. Early history

Early cultures identified celestial things with gods and spirits. They will related these types of objects (and their movements) to tendency such as rain,  drought,  seasons, and tides. It can be generally thought that the initially " professional" astronomers were priests(such as the Magi), and that their understanding of the " heavens" was known as " divine", hence astronomy's ancient connection to what is now called zodiac. Ancient set ups with possibly astronomical alignments (such as Stonehenge) probably happy both massive and religious functions. Calendars of the world possess usually recently been set by Sun and Moon (measuring the day,  month and year), and were of importance to agricultural societies, in which the collect depended on growing at the correct time of year. One of the most common modern calendar is based on the Roman calendar, which in turn divided the season into 12 months of switching thirty and thirty-one days and nights apiece. In 46 BC Julius Caesar instigated calendar reform and used a appointments based upon the 365 1/4 day year lengthoriginally proposed simply by 4th century BC Ancient greek language astronomer Callippus. Mesopotamia

The roots of Western astronomy are available in Mesopotamia, the " land between the rivers"  Tigris and Euphrates, in which the ancient kingdoms of Sumer,  Assyria, and Babylonia were located. A form of producing known as cuneiform emerged among the Sumerians around 3500–3000 BC. The knowledge of Sumerian astronomy is definitely indirect, with the earliest Babylonian star catalogues dating via about 1200 BC. The fact that many legend names come in Sumerian implies a continuity reaching in the Early Bronze Age. Spirit theology, which gave planetary gods an essential role in Mesopotamian mythology and religion, started out with the Sumerians. They also utilized a sexagesimal (base 60) place-value number system, which usually simplified the job of saving very large and intensely small amounts. The modern practice of separating a group into 360 degrees, of 60 minutes each, started out with the Sumerians. For more information, begin to see the articles on Babylonian numerals and mathematics. Classical sources usually use the term Chaldeans for the astronomers of Mesopotamia, who were, the truth is, priest-scribes specializing in astrology and other styles of divination. Egypt

The precise alignment of the Egyptian pyramids affords a lasting demonstration from the high level of technical skill in viewing the heavens attained in the 3rd centuries BC. It is shown the Pyramids had been aligned to the pole star, which, as a result of the precession of the equinoxes, i visited that timeThuban, a faint star inside the constellation of Draco.[3] Evaluation of the internet site of the serenidad of Amun-Re at Karnak, considering the transform over time of theobliquity of the ecliptic, shows that the Superb Temple was aligned for the rising of the midwinter sun.[4] The length of the corridor straight down which sun light would travel would have limited illumination at other times of the year. Astronomy performed a considerable portion in religious matters pertaining to fixing the dates of festivals and determining the hours of the night. The titles of several forehead books happen to be preserved documenting the motions and stages of the sun,  moon and stars. The rising of Sirius (Egyptian: Sopdet,  Greek: Sothis) at the beginning of the inundation was a...

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