Miscellaneous

What did the Chinese astronomers discover?

What did the Chinese astronomers discover?

The polymath Chinese scientist Shen Kuo (1031–1095 CE) was not only the first in history to describe the magnetic-needle compass, but also made a more accurate measurement of the distance between the pole star and true north that could be used for navigation.

How did the Chinese influence astronomy?

The Chinese Astronomers of the Song Dynasty The Song Dynasty, 960-1279 saw the Chinese build a number of huge observatories, based upon a series of accurate star-maps, one of which was used to build a planetarium containing 1,434 stars and 28 constellations.

Who detected the first exoplanet?

Aleksander Wolszczan
On 9 January 1992, radio astronomers Aleksander Wolszczan and Dale Frail announced the discovery of two planets orbiting the pulsar PSR 1257+12. This discovery was confirmed, and is generally considered to be the first definitive detection of exoplanets.

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How did the ancient Chinese use astronomy?

The construction of the Astronomical Clock Tower in the 11th century is a great example. Ancient Chinese kept records of a wide range of celestial events, including solar and lunar eclipses, sunspots, comets and meteors, guest stars (nova or supernova), planetary events, aurora borealis etc.

What were the Chinese first to discover and use?

Papermaking, printing, gunpowder and the compass – the four great inventions of ancient China-are significant contributions of the Chinese nation to world civilization. China was the first nation to invent paper.

Did the Chinese invent the compass?

The compass was invented in China during the Han Dynasty between the 2nd century BC and 1st century AD where it was called the “south-governor” or “South Pointing Fish” (sīnán 司南 ). The magnetic compass was not, at first, used for navigation, but for geomancy and fortune-telling by the Chinese.

For what purposes did the Chinese use the compass and the seismograph?

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For what purposes did the Chinese use the seismograph? To detect which way an earthquake was coming.

What interesting facts do scientists know about the exoplanet?

Exoplanet Facts

  • The known exoplanets fall along a range of sizes, masses, and orbital positions.
  • Astronomers are starting to find and measure atmospheres around distant exoplanets.
  • Among other characteristics, astronomers can measure the surface temperatures, orbits, magnetic fields, and colors of exoplanets.

What method did the Kepler mission use to find exoplanets?

The Transit Method of Detecting Extrasolar Planets Kepler finds planets by looking for tiny dips in the brightness of a star when a planet crosses in front of it—we say the planet transits the star.

What Chinese dynasty instituted the state examinations?

General history The bureaucratic imperial examinations as a concept has its origins in the year 605 during the short-lived Sui dynasty. Its successor, the Tang dynasty, implemented imperial examinations on a relatively small scale until the examination system was extensively expanded during the reign of Wu Zetian.

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What are the four greatest inventions that the Chinese people contributed to the world what made each of them great?

Who invented the ancient Chinese compass?

the Han dynasty
Around 200 BCE, the Han dynasty in China produced the first-ever compass. It was used at the time by the Chinese for Feng Shui and later for building, farming and mining. These compasses contained naturally occurring magnetic mineral called magnetite.