Assertion: c's value | /r/HasProperty | 186,282 miles per second
Facets:
Source sentences:
text: But in fact, the speed measured on the train is the full value, 186,282 miles per second (299,792 kilometres per second), not 124,188 miles per second (199,861 kilometres per second).
text: The speed of light in a vacuum is a fundamental physical constant, the currently accepted value of which is exactly 299,792,458 metres per second, or about 186,282 miles per second.