Assertion: cosmic ray | /r/CapableOf | create secondary particles
Facets:
Source sentences:
text: When cosmic rays collide with atoms in the upper atmosphere, they create secondary particles (pions, electrons, positrons) which shower down to the Earth, spreading out over hundreds of metres.
text: When a cosmic ray hits the atmosphere it produces secondary particles, for example neutrons.
text: When cosmic rays collide with atoms in the upper atmosphere, they create secondary particles (pions, electrons, positrons) which shower down to the Earth, spreading out over hundreds of metres.
text: They may produce secondary particles that penetrate the Earth's atmosphere and surface.