Assertion: spacecraft's system | /r/HasProperty | common
Facets:
value: around stars in the milky way
type: LOCATION
Source sentences:
text: Multi-planet systems are common; 17% of the host stars have multi-candidate systems, and 33.9% of all the planets are in multiple planet systems.
text: The study, based on planets orbiting the star Kepler-32, suggests that planetary systems may be common around stars in the Milky Way.