Assertion: distance | /r/HasProperty | one astronomical unit
Facets:
Source sentences:
text: The two dimensions on which this triangle is based are its shorter leg, of length one astronomical unit (the average Earth-Sun distance), and the subtended angle of the vertex opposite that leg, measuring one arcsecond.
text: The distance from Earth to the sun is called an astronomical unit, or AU, which is used to measure distances throughout the solar system.