Assertion: radiation | /r/CapableOf | travel through space
Facets:
value: at the speed of light
type: MANNER
Source sentences:
text: Radiation is energy that comes from a source and travels through space at the speed of light.
text: Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials.
text: Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials.
text: In a nutshell, radiation is energy that's travelling through space in the form of waves or particles.