Assertion: solar system's moon | /r/HasProperty | formed
Facets:
value: long ago
type: TEMPORAL
Source sentences:
text: The Moon was likely formed after a Mars-sized body collided with Earth.
text: Scientists think the Moon was formed long, long ago when Earth crashed into a Mars-sized object.
text: The moons of the greater planets were formed from "droplets" in the neck connecting the 2 portions of the dividing protoplanet and these droplets could account for some of the asteroids.