Assertion: solar system | /r/CapableOf | suffer high rate of bombardment
Facets:
value: continuously
type: TEMPORAL
value: during its first 700 million years
type: TEMPORAL
value: by space debris
type: OTHER
Source sentences:
text: Hartmann says it’s unclear whether the solar system suffered a high rate of bombardment by space debris continuously during its first 700 million years or whether activity suddenly spiked at the 700-million–year mark.