Assertion: celestial sphere | /r/CapableOf | pass through the zenith
Facets:
Source sentences:
text: For more exact measurements of time, astronomers use the meridian, which is a circle on the celestial sphere that passes both through the zenith (the point directly overhead) and both celestial poles.
text: The astronomical meridian is also determined by the zenith, and is defined as a circle on the celestial sphere that passes through the zenith, nadir, and the celestial poles.
text: The astronomical meridian is also determined by the zenith, and is defined as a circle on the celestial sphere that passes through the zenith, nadir, and the celestial poles.