Assertion: asteroid belt's mass | /r/AtLocation | the four largest asteroids
Facets:
Source sentences:
text: About half the mass of the belt is contained in the four largest asteroids: Ceres, Vesta, Pallas, and Hygiea.
text: More than half the mass of the main belt is contained in the four largest objects: Ceres, Vesta, Pallas and Hygiea.
text: About half the mass of the belt is contained in the four largest asteroids: Ceres, Vesta, Pallas, and Hygiea.