Assertion: muon | /r/HasProperty | penetrative of ordinary matter
Facets:
value: unusually
type: DEGREE
value: like neutrinos
type: OTHER
Source sentences:
text: Since muons are unusually penetrative of ordinary matter, like neutrinos, they are also detectable deep underground (700 meters at the Soudan 2 detector) and underwater, where they form a major part of the natural background ionizing radiation.