Assertion: comet's diameter | /r/CapableOf | represent a collision risk
Facets:
value: to earth
type: TRANSITIVE-OBJECT
Source sentences:
text: In 1998, NASA formally embraced the goal of finding and cataloging, by 2008, 90% of all near-Earth objects (NEOs) with diameters of 1 km or larger that could represent a collision risk to Earth.