Assertion: precession | /r/HasProperty | known in ancient egypt
Facets:
value: during the dynastic era
type: TEMPORAL
Source sentences:
text: Similar claims have been made that precession was known in Ancient Egypt during the dynastic era, prior to the time of Hipparchus (Ptolemaic period).
text: Similar claims have been made that precession was known in Ancient Egypt prior to the time of Hipparchus, but these remain controversial.