Assertion: star's system | /r/HasProperty | planetary
Facets:
Source sentences:
text: Planetary nebulae and supernovae distribute the "metals" produced in the star by fusion to the interstellar medium; without them, all new stars (and their planetary systems) would be formed from hydrogen and helium alone.
text: Within a planetary system, planets, dwarf planets, asteroids and other minor planets, comets, and space debris orbit the system's barycenter in elliptical orbits.
text: Answer:The system formed by the sun, eight planets, satellites, asteroids and various other celestial bodies is called the Solar System.
text: The portion of heavier elements may be an indicator of the likelihood that the star has a planetary system.