Assertion: solar system's planet | /r/HasProperty | drawn to planet
Facets:
value: because of their gravitational force
type: CAUSE
Source sentences:
text: The inner system is composed of the Sun (the largest mass), the terrestrial planets (rocky and closer to the sun) and their moons(moons are drawn to planets because of their gravitational force), close-orbiting asteroids and comets, and the main asteroid belt.