Assertion: asteroid belt's asteroid | /r/AtLocation | collision course
Facets:
value: with earth
type: TRANSITIVE-OBJECT
Source sentences:
text: Not all asteroids that are on collision course with earth will collide on Earth.
text: While this kind of celestial rock-collecting might not seem that important to some, the researchers say a better understanding of their composition could help us figure out the best way to deflect asteroids found to be on a collision course with Earth.