Assertion: c's value | /r/HasProperty | the speed of light
Facets:
value: in a vacuum
type: LOCATION
Source sentences:
text: The value of 299,792,458 meters per second (186,282 miles per second) is the speed of light in a vacuum.
text: Contrary to our usual intuitions, regardless of the speed at which one observer is moving relative to another observer, both will measure the speed of an incoming light beam as the same constant value, the speed of light.
text: This value is the speed of light in a vacuum.