Assertion: star | /r/HasProperty | above the horizon
Facets:
value: for 24 hours
type: TEMPORAL
value: half the time
type: TEMPORAL
value: during a 24-hour period
type: TEMPORAL
Source sentences:
text: During a 24-hour period, all stars are above the horizon exactly half the time.
text: Those stars within an angular distance from the NCP equal to the observer's latitude are above the horizon for 24 hours---they are circumpolar stars.