Assertion: planet's moon | /r/HasProperty | asteroid
Facets:
value: of synchronous rotation with the planets
type: OTHER
value: really
type: DEGREE
Source sentences:
text: Some astronomers believe that the moons of Mars are really asteroids that ventured too close to the planet and were trapped by its gravity.
text: Most moons in the solar system are known to be of synchronous rotation with the planets their orbit due to what is called as tidal locking.