Assertion: asteroid belt's asteroid | /r/HasProperty | pummeled by other asteroids
Facets:
Source sentences:
text: This seems to happen when the asteroid has been hit or pummeled by other asteroids and dust or gas is ejected from their surfaces, creating a sporadic tail effect.
text: Scientists have theorized this can happen when the asteroid has been hit or pummeled by other asteroids and dust or gas is ejected from their surfaces, creating a sporadic tail effect.