Assertion: cosmic ray | /r/CapableOf | travel at the speed of light
Facets:
value: nearly
type: DEGREE
Source sentences:
text: Cosmic rays are high energy charged particles, originating in outer space, that travel at nearly the speed of light and strike the Earth from all directions.
text: Cosmic rays are extremely high-energy charged particles (usually protons) that move at nearly the speed of light.
text: Cosmic rays are high energy charged particles, originating in outer space, that travel at nearly the speed of light and strike the Earth from all directions.