Assertion: star's position | /r/HasProperty | determined
Facets:
value: by measuring the time
type: MANNER
Source sentences:
text: Their rising and setting points can be determined from nearby stars; they can be used for navigation once their positions have been determined.
text: Position can be determined by measuring the time it takes to receive radio signals from the stations of known locations on the ground or aboard satellites.
text: Once its position is determined, the moon can be used in navigation.
text: When the position of the apparent sun at the time of observation has been determined and related to the Greenwich meridian, the time is referred to as Greenwich apparent time.
text: When the position of a star with respect to the meridian through a given station on the surface of the earth is to be determined, the hour angle system of coordinates is used.