Assertion: cosmic ray | /r/HasProperty | penetrating
Facets:
value: through the atmosphere
type: LOCATION
value: very
type: DEGREE
Source sentences:
text: Cosmic rays are very penetrating and as well as penetrating through the atmosphere they have also been detected under the ground such as in the London Underground system as well as down deep mines.
text: Cosmic rays are very penetrating and as well as penetrating through the atmosphere they have also been detected under the ground such as in the London Underground system as well as down deep mines.