Tuesday, April 30, 2013

Historical development of astronomy in the ancient China

Perhaps the most advanced astronomical knowledge and is the oldest known person in the state of china. Many of the symptoms that around 4000 years ago the Chinese had organized research on sky objects. They had a division seasons, winter, spring, fall, and summer. They have had regular entries about the planets travel at about two thousand years BC. Almanac or calendar layout that they can predict when starting about the rainy season or dry season.

In the year 2159 before Christ still, two china Astronomers were able to predict eclipses of the sun when it comes and when it comes eclipse of the moon. Solar eclipse occurs when the moon is between the sun and the earth, such that the position of the moon, so moon shadow falls squarely on the ground. When people see the moon shadow to the sun and of course the sun will not appear. So when a lunar eclipse occurs. Earth is between the sun by the moon. The earth's shadow falls squarely on the moon, the earth in such a way park closed until the end of the whole or part closed.


In the 21st century BC people generally do not know the process of solar eclipse or eclipse of the moon. Eclipse occurs when the sun, according to their thinking dragons in the sky trying to catch it and want to swallow it. If this can happen addresses life on Earth will be threatened. Therefore it should be prevented. For the people should make loud noises with drums hit the road or anything that could give rise to noisy with the intent that the evil hydra shock and fear, until released by the sun or moon. Besides the king ordered his soldiers to shoot towards the sun. So every few seconds even then the sun ever look back. Their efforts, according to the opinion of the people and the king, has paid off.


So at a time when two Chinese astronomers from the government chung named K'ang hi and ho did not report to the king will come from the solar eclipse. Perhaps because of inaccurate predictions or default, is not known with certainty. Only profit quickly king ordered the army to shoot towards the sun and the people responded with spontaneous make frenzied voice, to avoid the tackle last sun hydra monster. Because according to them, the king of the default assumption will work, then they will face the death penalty.


Sky map was made ancient chinese people. All the stars are divided in 248 groups. This star cluster in the constellation star commonly mentioned. Each group consists of five bright stars. About 350 years BC, shih shen have shared a ring on 365 quarter sections, not above 360 ​​degrees like today. This suggests a link between division ring with the sun circling the earth forever, for the one-time roll. In addition, they are able to predict the arrival of comet-comet.


They have records on the rise star "guests", ie a star that come suddenly bright. Never previously seen. Not long star even then disappears. The star is called a star nova, said that originates from the Latin which means neo or new.

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