Assertion: cosmic ray's electron | /r/CapableOf | move at the speed of light
Facets:
value: nearly
type: DEGREE
value: in space
type: LOCATION
value: through a magnetic field
type: TRANSITIVE-OBJECT
Source sentences:
text: The two regions glow intensely in what is called synchrotron radiation, which is produced when electrons move at nearly the speed of light through a magnetic field in space.