Assertion: planet's body | /r/HasProperty | injected into planet-crossing orbits
Facets:
value: constantly
type: TEMPORAL
Source sentences:
text: Stern and his colleagues note that the IAU’s definition of a planet is too narrow and recognizes planets only as objects that orbit our sun and "requires zone clearing, which no planet in our solar system can satisfy since new small bodies are constantly injected into planet-crossing orbits.