Assertion: asteroid belt's percent | /r/HasProperty | the mass of earth
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Source sentences:
text: The main asteroid belt, located between the orbits of Mars and Jupiter, makes up 0.05 percent the mass of Earth.
text: Despite its small size — 0.2 percent the mass of Earth and only 10 percent the mass of Earth's moon — Pluto's gravity is enough to capture five moons of its own.