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...than one thousand years from the law of the [[twelve tables]] (from [[449 BC]]) to the [[Corpus Juris Civilis]] of Emperor [[Justinian I]] (around [[53 ...ans. A second decemvirate is said to have added two further tablets in 449 BC. The new Law of the XII Tables was approved by the people's assembly<ref na

...r developed his sessions into a method of teaching philosophy and in [[387 BC]], established what is known today as the [[Old Academy]]. ...[[Carneades]], another student, established the [[New Academy]]. In [[335 BC]], [[Aristotle]] refined the method with his own theories and established t

...pse/SEsaros/SEsaros.html Eclipses and the Saros saros]. In the 2nd century BC, the size and distance of the Moon were estimated by [https://www-groups.dc ...pproximately one [[millimeter]]. (Allen's Astrophysical Quantities, ISBN 0-387-98746-0 ) Radio astronomy is different from most other forms of observation