Assertion: celestial sphere | /r/HasProperty | established by the plane of earth’s orbit
Facets:
value: at the vernal equinox
type: TEMPORAL
value: around the sun—intersects
type: LOCATION
Source sentences:
text: On the celestial sphere, zero hours (0 h) right ascension is also arbitrarily defined by international convention as the line of right ascension where the ecliptic—the apparent movement of the Sun across the celestial sphere established by the plane of Earth’s orbit around the Sun—intersects the celestial equator at the vernal equinox.