Assertion: gravitational wave | /r/HasProperty | ripple
Facets:
value: in space-time
type: TEMPORAL
Source sentences:
text: Gravitational waves are 'ripples' in space-time caused by some of the most violent and energetic processes in the Universe.
text: Put simply, gravitational waves are ripples in the otherwise tough, stiff fabric of spacetime produced by the most violent phenomena the cosmos can offer—things like exploding stars and collisions between ultradense neutron stars or merging black holes.