Assertion: sun's center | /r/HasProperty | 18 degrees
Facets:
value: below the horizon in the evening
type: TEMPORAL
value: below the horizon in the morning
type: LOCATION
Source sentences:
text: Astronomical dawn is the moment when the geometric center of the Sun is 18 degrees below the horizon in the morning.
text: Astronomical dusk is the moment when the geometric center of the Sun is 18 degrees below the horizon in the evening.