Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Zhao Youqin
Table of Contents
Introduction References & Edit History Quick Facts & Related Topics
Quizzes
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
Equations written on blackboard
Numbers and Mathematics
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
Related Questions
Read Next
Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)
How Fast Is the Universe Expanding?
Planet Earth and lunar moon from space
Where Did the Moon Come From?
Confucius statue at a Confucian Temple in Shanghai, China. Confucianism religion
What is the Difference Between Daoism and Confucianism?
solar eclipse, sun, moon, astronomy, space
How Do You Tell the Difference Between Total, Annular, Solar, and Lunar Eclipses?
Candles Burning On Table In Church
What Is the Most Widely Practiced Religion in the World?
Discover
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
July, 2006, Launch of Space Shuttle Discovery STS-121. See attached for full caption information.
Will Light-Speed Space Travel Ever Be Possible?
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
Easter Procession of Maria Santisima del Sacromonte in Granada, Spain. This statue is known as Virgen de los Gitanos or The Virgin of the Gypsies.
What is Holy Week?
Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)
Cruel and Unusual Punishments: 15 Types of Torture
Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.
6 Wars of Independence

Zhao Youqin: Facts & Related Content

verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Share
Share to social media
URL
https://www.britannica.com/facts/Zhao-Youqin
Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica

Facts

Also Known As Chao Yu-ch’in
Born July 26, 1271 • China
Died c.1335 • China
Notable Works “Gexiang xinshu” • “Xian Fo tongyuan”
Subjects Of Study pi • camera obscura
Zu Chongzhi
Chinese astronomer, mathematician, and engineer
Minggantu
Chinese astronomer and mathematician
Mei Wending
Chinese writer
Li Rui
Chinese mathematician and astronomer
Mei Juecheng
Chinese mathematician and astronomer
Jia Xian
Chinese mathematician and astronomer
Zu Geng
Chinese government official, mathematician, and astronomer
Li Chunfeng
Chinese mathematician and astronomer
Xu Yue
Chinese astronomer and mathematician
Shen Kuo
Chinese astronomer, mathematician and official
Zhang Heng: seismoscope
Zhang Heng
Chinese mathematician, astronomer, and geographer
al-Kāshī
Persian astronomer and mathematician
Johann Lambert, detail of a lithograph by Gottfried Englemann, after a portrait by Pierre-Roch Vigneron
Johann Heinrich Lambert
Swiss-German scientist and philosopher
John Machin
English mathematician
Liu Hui
Chinese mathematician
Li Ye
Chinese mathematician
Li Zhizao
Chinese mathematician and astronomer
Zhu Shijie
Chinese mathematician
Li Shanlan
Chinese mathematician
Qin Jiushao
Chinese mathematician

Related Quizzes and Features

Quiz
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
Equations written on blackboard
Numbers and Mathematics
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy