Assertion: sextant's feature | /r/HasProperty | the horizon
Facets:
Source sentences:
text: The most important feature of a sextant is its ability to align simultaneously in the observer’s field of view the two objects whose angular displacement is being measured, for example, two celestial bodies or a celestial body and the horizon.
text: The most important feature of a sextant is its ability to align simultaneously in the observer’s field of view the two objects whose angular displacement is being measured, for example, two celestial bodies or a celestial body and the horizon.