Assertion: gravity's mass | /r/CapableOf | form curve
Facets:
value: without mass, such as light
type: OTHER
value: in time
type: TEMPORAL
value: in space
type: LOCATION
Source sentences:
text: Developing this principle of equivalence , Einstein showed that mass itself forms curves in space and time and that the effects of gravity are related to the trajectories taken by objects-even objects without mass, such as light.