Assertion: energy cosmic ray | /r/CapableOf | pelt earth
Facets:
value: to visualize
type: PURPOSE
value: constantly
type: TEMPORAL
value: from deep space
type: LOCATION
Source sentences:
text: The international research team used a technique called muon tomography — a particle physicist's version of an x-ray machine, which uses the high-energy cosmic rays that are constantly pelting Earth from deep space to visualize, say, what's behind a heavy limestone wall.