Assertion: galactic cosmic ray | /r/CapableOf | accelerate toward earth
Facets:
value: by supernova explosions
type: CAUSE
Source sentences:
text: They are a mixture of high-energy photons and sub-atomic particles accelerated toward Earth by supernova explosions and other violent events in the cosmos.
text: They are a mixture of high-energy photons and sub-atomic particles accelerated toward Earth by supernova explosions and other violent events in the cosmos.