World Record Title: eclipse reveal causes of the world's oldest person: Han scientist Zhang Heng
World Record Holder: Han scientist Zhang Heng
World Record Field: the first lunar eclipse causes revealed
World Record Number: 20120100004
World Record Validity Period: to record was broken up.
World Record Witness: No. 001 to Carrying the Flag Certification Division
World Records Source: World record database of to Carrying the Flag
World Record Awarding Certificate Date: January 30, 2012
World Record Details:

Zhang Heng (78-139), the word Hirako, Han, Nanyang West Hubei (shiqiaozhen Nanyang City, Henan Province today) people, of the Eastern Han Dynasty great astronomer, mathematician, inventor, geographers, cartographers, writers and scholars in the Han Dynasty official Book for our astronomy, mechanical technology, seismology has made an indelible contribution.

Interim huntian Eastern Han Zhang Heng said one of the representatives; He pointed out that the moon itself is not light, moonlight is actually reflected sunlight; He also rightly explains the causes of eclipses, and recognize the infinite universe and planetary motion speed and distance from Earth relationship. Zhang Heng observation records of two thousand five hundred stars, created the world's first one can more accurately show Sky leakage turn armillary sphere, the first aircraft test seismic instruments - seismograph, also created a guide to car, auto recording drum car, flight Number in the wooden bird and so on. Zhang Heng of the author of science, philosophy and literature thirty-two, including astronomical works include "The Spirit of the Constitution" and "spiritual constitution map". To commemorate the achievements of Zhang Heng, people will be on the back of a lunar crater named "Zhang Heng Crater", the asteroid 1802 named "Zhang Heng Star", later called Zhang Heng as "Division St.”。