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/cdn.vox-cdn.com/uploads/chorus_asset/file/18314550/cosmic_rays_atmosphere.jpg "Cosmic ray physics: Extremely powerful particles are slamming into the Earth. - Vox")
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/cdn.vox-cdn.com/uploads/chorus_asset/file/18308430/Cosmic_rays_lead.jpg "Cosmic ray physics: Extremely powerful particles are slamming into the Earth. - Vox")
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