Assertion: planet's discovery | /r/CapableOf | widen the debate
Facets:
value: in unexpected ways
type: MANNER
value: on the nature of planethood
type: OTHER
Source sentences:
text: The discovery since 1992 of extrasolar planets, or planet-sized objects around other stars (4,268 such planets in 3,154 planetary systems including 698 multiple planetary systems as of 1 June 2020), has widened the debate on the nature of planethood in unexpected ways.