Assertion: ionizing radiation's energy | /r/CapableOf | travel in vacuum
Facets:
value: at the velocity of light
type: MANNER
Source sentences:
text: Photons are chargeless bundles of energy that travel in a vacuum at the velocity of light, which is 300 000 km/sec.
text: Photons are chargeless bundles of energy that travel in a vacuum at the velocity of light, which is 300 000 km/sec.