Assertion: precession | /r/HasProperty | calculated for object
Facets:
value: outside the half century
type: TEMPORAL
Source sentences:
text: Since correcting the positions of tens or hundreds of thousands of stars for precession is time consuming, Your Sky normally neglects the effects of precession as long as the date is within that interval: outside the half century centred on A.D. 2000, precession is calculated for all objects.