Assertion: era | /r/CapableOf | begin with the formation of the earth
Facets:
value: from gas
type: OTHER
value: from dust
type: OTHER
value: from orbiting
type: OTHER
Source sentences:
text: This era began with the formation of the earth from dust and gas orbiting the Sun about 4.6 billion years ago.
text: This era begins about a billion years after the formation of the earth, and things have changed a lot!