Assertion: star's rotation | /r/DefinedAs | 24 hrs
Facets:
Source sentences:
text: Right ascension is measured in hours, minutes, and seconds of arc (notation hh:mm:ss), where a complete rotation around the celestial sphere is defined as 24 hrs. of arc.
text: Right ascension is measured in hours, minutes, and seconds of arc (notation hh:mm:ss), where a complete rotation around the celestial sphere is defined as 24 hrs. of arc.