Assertion: asteroid belt's asteroid | /r/HasProperty | one of the largest
Facets:
value: at five kilometres wide
type: OTHER
Source sentences:
text: At five kilometres wide, the asteroid is one of the largest ever discovered in our solar system and is approximately half the size of the Chicxulub space rock which helped to wipe out the dinosaurs 66 million years ago.
text: Though it is estimated that the asteroids in the belt number over a million, these four largest make up half of the total mass of the belt.