EntityQ1316958· pop 13· linked from 66 articlesair showerSign in to saveshower of particles from a high energy cosmic ray hitting Earth's atmosphereConnectionsmuonEntityelectronEntityInternational Standard Book NumberEntityprotonEntityHeidelbergEntityatmosphere of EarthEntityspeed of light in vacuumEntityJ. Robert OppenheimerPersonatomic nucleusEntityphotonEntityMassachusetts Institute of TechnologyEntitydigital object identifierEntityInternational Standard Serial NumberEntityweak interactionEntityLev LandauEntityneutrinoEntitypositronEntitycosmic radiationEntityManhattan ProjectEntityhadronEntityCategoriesAtmosphereCosmic raysEarth phenomena