Assertion: cosmic ray | /r/CapableOf | produce showers of secondary particles
Facets:
Source sentences:
text: Upon impact with the Earth's atmosphere, cosmic rays can produce showers of secondary particles that sometimes reach the surface.
text: They may produce showers of secondary particles that penetrate and impact the Earth's atmosphere and sometimes even reach the surface.
text: Upon impact with the Earth's atmosphere, cosmic rays can produce showers of secondary particles that sometimes reach the surface.