Assertion: muon | /r/CapableOf | penetrate thousands of metres
Facets:
value: below the earth’s surface
type: LOCATION
value: extremely
type: DEGREE
Source sentences:
text: At high-particle velocities close to the speed of light, ionization dissipates energy in relatively small amounts, so muons in cosmic radiation are extremely penetrating and can travel thousands of metres below the Earth’s surface.