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         Heng Zhang:     more books (61)
  1. Frontiers of WWW Research and Development -- APWeb 2006: 8th Asia-Pacific Web Conference, Harbin, China, January 16-18, 2006, Proceedings (Lecture Notes ... Applications, incl. Internet/Web, and HCI)
  2. Chinese Scholars: Zhang Heng, Sima Guang, Shen Kuo, Su Song, Su Shi, Zhu Xi, Zheng Tan, Kang Youwei, Wang Tao, Lin Zexu, Kong Rong, Zhou Daguan
  3. Chinese Non-Fiction Writers: Sun Tzu, Zhang Heng, Kenneth Hsu, Cao Cao, Song Yingxing, Linghu Chu, Yuan Zhen, Ba Jin, Empress Zhangsun, Du You
  4. Chinese Inventors: Cai Lun, Zhang Heng, Shen Kuo, Su Song, Zhuge Liang, Wang Zhen, Hua Sui, Yi Xing, Du Shi, Ma Jun, Charles K. Bliss
  5. Ancient Chinese Astronomers: Zhang Heng, Gan De, Jing Fang, Liu Xin, Shi Shen, Gautama Siddha
  6. Chinese Engineers: Zhang Heng, Hu Jintao, an Wang, Shen Kuo, Su Song, Zhuge Liang, Da-Wen Sun, Yi Xing, Ma Jun, Li Bing, Hsue-Chu Tsien
  7. 70s Births: 70 Births, 71 Births, 72 Births, 75 Births, 76 Births, 78 Births, 79 Births, Hadrian, Zhang Heng, Menelaus of Alexandria
  8. Astronome Chinois: Shen Kuo, Su Song, Zhang Heng, Zu Chongzhi, Guo Shoujing, Wei Pu (French Edition)
  9. Chinese Confucianists: Confucius, Zhang Heng, Jin Shengtan, Disciples of Confucius, Liang Qichao, Xun Zi, Sun Ce, Zhu Xi, Mencius, Zhou Dunyi
  10. Ancient Chinese People: Ancient Chinese Astronomers, People of the Three Kingdoms, Zhang Heng, List of People of the Three Kingdoms, Gan De
  11. Zhang Heng: An entry from Gale's <i>Science and Its Times</i> by P. Andrew Karam, 2001
  12. Chinese Mathematicians: Zhu Shijie, Zhang Heng, Zu Chongzhi, Shen Kuo, Shing-Tung Yau, Guo Shoujing, Xu Guangqi, Yi Xing, Shiing-Shen Chern
  13. 78 Births: Zhang Heng, Liu Qing, Wang Fu
  14. 139: 139 Deaths, Zhang Heng, Marina of Aguas Santas, List of State Leaders in 139, 139 Ad

1. Zhang Heng: Biography And Much More From Answers.com
Heng, Zhang aka Pingshi or Chang Heng, b. Shiqiao Nan Yang, China, 78 ce , d. 139 Like many of the early Greek philosophers, Zhang began his.
http://www.answers.com/topic/zhang-heng
showHide_TellMeAbout2('false'); Business Entertainment Games Health ... More... On this page: Scientist Wikipedia Mentioned In Or search: - The Web - Images - News - Blogs - Shopping Zhang Heng Scientist Heng, Zhang [a.k.a. Pingshi or Chang Heng, b. Shiqiao Nan Yang, China, 78 ce , d. 139] Like many of the early Greek philosophers, Zhang began his career with extensive travel. In 111 ce he took a government post in charge of recording astronomical phenomena, forecasting weather, and compiling calendars. Based on this experience he wrote Lingxian, a summary of Chinese astronomical knowledge, including explanations of eclipses, the best star map to date, and various observational data. But he is most famous in the West for his invention of the first seismograph. He is also known as a mathematician who proposed the square root of 10 (about 3.1623) for π. In addition, he was a poet and some say a painter of great skill. Wikipedia @import url(http://content.answers.com/main/content/wp/css/common.css); @import url(http://content.answers.com/main/content/wp/css/gnwp.css); Zhang Heng Replica of Zhang Heng's seismograph Zhang Heng ), also spelled as

2. Zhang Heng
Zhang Heng. Born 78 in Nanyang, China Died 139 in China. Heng was a mathematician, astronomer and geographer.
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

3. Zhang Heng's Seismoscope
This is a short biography of Zhang Heng, an ancient Chinese mathematician.
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

4. Wen Zhen Heng's Book : Zhang Wu Zhi
Wen Zhen Heng(15851645) was a Ming dynasty author. His book Zhang Wu Zhi (On Superfluous From Wen Zhen heng zhang Wu Zhi (On Superfluous Things)
http://www.greenspun.com/bboard/q-and-a-fetch-msg.tcl?msg_id=00CdIu

5. Zhang Heng References
This is a short biography of Zhang Heng, an ancient Chinese mathematician.
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

6. DBLP: Shi-Heng Zhang
Shiheng zhang 2, EE Francis CM Lau, Shi-heng zhang Optimal gossiping in paths and cycles. J. Discrete Algorithms 1(5-6) 461-475 (2003)
http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/z/Zhang:Shi=Heng.html
Shi-Heng Zhang
List of publications from the DBLP Bibliography Server FAQ Coauthor Index - Ask others: ACM DL ACM Guide CiteSeer CSB ... Francis C. M. Lau , Shi-Heng Zhang: Optimal gossiping in paths and cycles. J. Discrete Algorithms 1 EE Francis C. M. Lau , Shi-Heng Zhang: Fast Gossiping in Square Meshes/Tori with Bounded-Size Packets. IEEE Trans. Parallel Distrib. Syst. 13
Coauthor Index
Francis C. M. Lau DBLP: [ Home Author Title Conferences ... Michael Ley (ley@uni-trier.de) Thu Sep 1 17:37:14 2005

7. CreazzoLab .. Neonatal Perinatal Research Institute
The Initiation of the Heart Beat in Development Research Emphasis The major interest of the Creazzo laboratory is on the embryology of myocardial
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

8. DBLP: Heng Zhang
heng zhang. List of publications from the DBLP Bibliography Server FAQ 1, EE Wei Wang, Lanfeng Yan, Baowei Liu, heng zhang Multisensors Information
http://www.informatik.uni-trier.de/~ley/db/indices/a-tree/z/Zhang:Heng.html
Heng Zhang
List of publications from the DBLP Bibliography Server FAQ Coauthor Index - Ask others: ACM DL ACM Guide CiteSeer CSB ... Baowei Liu , Heng Zhang: Multisensors Information Fusion with Neural Networks for Noninvasive Blood Glucose Detection. ISNN (3) 2005
Coauthor Index
Baowei Liu Wei Wang Lanfeng Yan DBLP: [ Home Author Title Conferences ... Michael Ley (ley@uni-trier.de) Thu Sep 1 17:37:14 2005

9. Heng Zhang's Photo Galleries At Pbase.com
heng zhang profile guestbook all galleries recent tree view thumbnails wheres da smiles
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. Ggs @uwo
Jinshi Wu, Xueyang Yu, heng zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley,
http://www.uwo.ca/earth/grad/students/
Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang Alexandre Aubin, Xuezhao Bao, Sharon Blackmore, Krista Blears, Sean Bosman, Chris Coueslan, Kim Dalby, Allison Daley, Lisa Friedrich, Lyshia Goodhue, Michael Hay, Tyler Hayes, Jennifer Heidenheim, Kebbie Hughes, Hua Jin, Karl Z. Keizars, Dan Lui, Rebah MacDonald, Lachlan MacLean, James Masters, Lisa Munro, Charley Murphy, Guangrong Ning, Clare O'Dowd, Carl Ozyer, Xavier RocaArgemi, Sam Russell, Bhaskar Sahoo, Sergei Samsonov, Sherril Senior, Chris Smith, Chris Stott, Erika Szabo, Ronnie Theriault, Aditya Tyagi, Rebeca vanderspiegel, Bogdan Varban, Greg Wanger, Jinshi Wu, Xueyang Yu, Heng Zhang

11. Zhang_Heng
Biography of Zhang Heng (78139)
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

12. GGS Homepage
Bogdan Varban. Greg Wanger. Jinshi Wu. Xueyang Yu heng zhang Return to Home Return to Home. Xueyang Yu. heng zhang. Return to Home
http://www.uwo.ca/earth/grad/students/grads.html
Alexandre Aubin Xueshao Bao Sharon Blackmore Krista Blears Sean Bosman Chris Coueslan Kim Dalby Allison Daley Lisa Friedrich Philip Geusebroek Lyshia Goodhue Michael Hay Tyler Hayes Jennifer Heidenheim Kebbi Hughes Hua Jin Karl Z. Keizars Dan Lui Reba MacDonald Lachlan MacLean James Masters Lisa Munro Charley Murphy Guangrong Ning Clare O'Dowd Carl Ozyer Xavier RocaArgemi Sam Russell Bhaskar Sahoo Sergei Samsonov Sherril Senior Chris Smith Chris Stott Erika Szabo Ronnie Theriault Aditya Tyagi Rebeca vanderspiegel Bogdan Varban Greg Wanger Jinshi Wu Xueyang Yu Heng Zhang Return to Home

13. DBLP Ming-Heng Zhang
Mingheng zhang. List of publications from the DBLP Bibliography Server - FAQ
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

14. Fast Gossiping In Square Meshes/Tori With Bounded-Size Packets
Shiheng zhang, Univ. of Hong Kong, Hong Kong 18 FCM Lau and SH Zhang, Optimal Gossiping in Paths and Cycles, Technical Report TR97-10,
http://portal.acm.org/citation.cfm?id=507151

15. DBLP Zhang Cheng-heng
Zhang Chengheng. List of publications from the DBLP Bibliography Server - FAQ
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

16. Determine The Number Of Components In A Mixture Model By The Extended KS Test
Mingheng zhang, Research School of Economics, Shanghai University of Finance and Economics, Shanghai 200433, China. Qian-Sheng Cheng, School of
http://portal.acm.org/citation.cfm?id=976015

17. Advanced Materials-Heng Zhang
heng zhang. PhD student, Advanced Materials research group.
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

18. Zhang Heng
Zhang Heng. Henglg.jpg (7993 bytes). Born 78 in Nanyang, China Died 139 in China. Heng was a mathematician, astronomer and geographer.
http://www.sinopro.com/zhang.htm
Zhang Heng Born: 78 in Nan-yang, China
Died: 139 in China Heng was a mathematician, astronomer and geographer. He became chief astrologer and minister under the Emperor An'ti of China.
In the year 123 he corrected the calendar to bring it into line with the seasons.
In 132 Heng invented the first seismoscope for measuring earthquakes. Heng's device was in the shape of a cylinder with eight dragon heads around the top, each with a ball in its mouth. Around the bottom were eight frogs, each directly under a dragon head. When an earthquake occurred, a ball fell out of a the dragon's mouth into a frog's mouth, making a noise.
Heng was the first person in China to construct a rotating celestial globe. He wrote about this in his work Hun-i chu where he describes his version of the universe as follows:-
The sky is like a hen's egg, and is as round as a crossbow pellet; the Earth is like the yolk of the egg, lying alone at the centre. The sky is large and the Earth small.
In another work Lin Hsien, he describes the stars:-
North and south of the equator there are 124 groups which are always brightly shining. 320 stars can be named. There are in all 2500, not including those which the sailors observe. Of the very small stars there are 11520.

19. Imood.com Query Results For Heng Zhang Or Eshii D
Come get an imood account right now! Name heng zhang or eshii D Base Mood happy Personal Mood D Mood Changed May 30, 2004
http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

20. Zhang Heng
Zhang Heng. zhang.gif (90958 bytes). Born 78 in Nanyang, China Died 139 in China. Heng was a mathematician, astronomer and geographer.
http://www.sinopro.com/Replicas/zhang.htm
Zhang Heng Born: 78 in Nan-yang, China
Died: 139 in China Heng was a mathematician, astronomer and geographer. He became chief astrologer and minister under the Emperor An'ti of China.
In the year 123 he corrected the calendar to bring it into line with the seasons.
In 132 Heng invented the first seismoscope for measuring earthquakes. Heng's device was in the shape of a cylinder with eight dragon heads around the top, each with a ball in its mouth. Around the bottom were eight frogs, each directly under a dragon head. When an earthquake occurred, a ball fell out of a the dragon's mouth into a frog's mouth, making a noise.
Heng was the first person in China to construct a rotating celestial globe. He wrote about this in his work Hun-i chu where he describes his version of the universe as follows:-
The sky is like a hen's egg, and is as round as a crossbow pellet; the Earth is like the yolk of the egg, lying alone at the centre. The sky is large and the Earth small.
In another work Lin Hsien, he describes the stars:-
North and south of the equator there are 124 groups which are always brightly shining. 320 stars can be named. There are in all 2500, not including those which the sailors observe. Of the very small stars there are 11520.

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