Assertion: vernal equinox | /r/HasProperty | astronomical event
Facets:
Source sentences:
text: According to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), vernal equinox is an astronomical event that marks the beginning of spring in the northern hemisphere and autumn in the southern hemisphere.
text: Today marks the Vernal Equinox - an astronomical event which marks the beginning of spring in the northern hemisphere.