Assertion: zodiac | /r/AtLocation | use
Facets:
value: based on concepts
type: CAUSE
value: by the roman era
type: TEMPORAL
Source sentences:
text: The zodiac was in use by the Roman era, based on concepts inherited by Hellenistic astronomy from Babylonian astronomy of the Chaldean period (mid-1st millennium BC), which, in turn, derived from an earlier system of lists of stars along the ecliptic.