Assertion: thermal radiation | /r/CapableOf | travel to its point of absorption
Facets:
value: at the speed of light
type: MANNER
value: directly
type: MANNER
Source sentences:
text: Thermal radiation, process by which energy, in the form of electromagnetic radiation, is emitted by a heated surface in all directions and travels directly to its point of absorption at the speed of light; thermal radiation does not require an intervening medium to carry it.