Chang Heng

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Chang Heng

Born AD. 78; died AD. 139. Chinese astronomer.

Chang Heng was one of the first to explain the cause of lunar eclipses and the phenomenon of lunar phases. He correctly described the apparent motion of celestial bodies and designed and built several astronomical instruments. His book, The Armillary Sphere, which appeared circa 120, presented in detail the theory of the “infinite sky.” The theory holds that the universe is boundless in time and space.

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No references found			; Ambassador Chang Heng Chee, Republic of Singapore; Gen. ADVISORY/Silicon Valley's Savi Technology, U.S. Senator, Singapore ... by Business Wire			Chandra X-ray Observatory Chandra, Romesh Chandragupta Chandragupta I and II Chandragupta Maurya Chandrapur Chandrasekhar Chandrasekhar limit Chandrasekhar, Subrahmanyan Chandrasekhar-Schönberg limit Chandrasekhara Venkata Raman chandry chandui chanduy Chandyr Chanel Chanel, Coco Chanel, Gabrielle Chaney, Lon Chang Chang Chien Chang Chih-Tung Chang Chueh Chang Chüeh Chang Go Chang Heng Chang Hsien-Chung Chang Hsueh-Liang Chang Hsüeh-Liang Chang Lo-Hsing Chang Sung-Op Chang Tai-Lei Chang Tai-Yen Chang Tien-I Chang Tsai Chang Tso-Lin Chang Wen-Tien Chang'an Chang, Kwang-Chih Chang, M.-C. Chang-chia-k'ou Changarnier, Nicolas Changbai Changchiang Plain Changchih Changchou Changchow Changchun Changchun Conference Changde change			Chaney, Lon Chaney, Lon Chaneysville-Cove Elementary School Chanfrin chanfron Chang Chang Chang Chang An Chang Chiang Chang Chiang Chang Chien Chang Chih-Tung Chang Chu-Cheng Chang Chü-cheng Chang Chueh Chang Chüeh Chang Chun Chang Chun Chang Dai-chien Chang Go Chang Gung Institute of Nursing Chang Gung Medical Journal Chang Gung Medical Research Program Chang Gung Memorial Hospital Chang Gung University Chang Heng Chang Hsien-Chung Chang Hsueh liang Chang Hsueh-liang Chang Hsüeh-liang Chang Hsuehliang Chang Hsüehliang Chang I-mou Chang Jiang Chang Jiang Cháng Jiang Cháng Jiang Chang Jiang River Chang Jiang River Chang kai shek Chang kai shek Chang Kai-shek Chang Kai-shek Chang kei-shek Chang kei-shek Chang Kuo Chang Kuo-lao Chang Ling Chang Lo-hsing Chang River Chang River Chang sha Chang sha Cháng sha Cháng sha Chang Sung-Op

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