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  • Cosmic ray - Wikipedia, the free encyclopedia

    Cosmic rays can have energies of over 1020 eV, far higher than the 1012 to ... ( See Ultra-high-energy cosmic rays for a description of the detection of a ...

    en.wikipedia.org/wiki/Cosmic_ray - Similar

  • NASA's Cosmicopia -- Cosmic Rays

    Particles that bombard the Earth from anywhere beyond its atmosphere are known as cosmic rays. Cosmic rays don't take pretty pictures, but studying the ...

    helios.gsfc.nasa.gov/cosmic.html - Similar

  • Cosmic Rays - Introduction

    Aug 22, 2008 ... Galactic cosmic rays (GCRs) are the high-energy particles that flow into ... Most galactic cosmic rays are probably accelerated in the blast ...

    imagine.gsfc.nasa.gov/docs/science/know_l1/cosmic_ray... - Similar

  • Cosmic Rays - Richard Mewaldt

    Cosmic rays are high energy charged particles, originating in outer space, that travel at nearly the speed of light and strike the Earth from all directions ...

    www.srl.caltech.edu/personnel/dick/cos_encyc.html - Similar

  • Cosmic Rays

    Almost 90% of the cosmic rays which strike the Earth's atmosphere are protons ( hydrogen nuclei) and about 9% are alpha particles. Electrons amount to about ...

    hyperphysics.phy-astr.gsu.edu/HBASE/Astro/cosmic.html - Similar

  • Pierre Auger Observatory

    is studying ultra-high energy cosmic rays, the most energetic and rarest of particles in ... of research in understanding cosmic rays with low to moderate ...

    www.auger.org/ - Similar

  • Cosmic Rays - Pierre Auger Observatory

    With each passing decade, scientists have discovered higher-energy, and increasingly more rare, cosmic rays. The Pierre Auger Project is the largest ...

    www.auger.org/cosmic_rays/ - Similar

  • Introduction to Cosmic Rays (SLAC VVC)

    Cosmic rays are caused by protons from outer space. When a proton (shown in yellow) hits the air in the earth's upper atmosphere it produces many particles. ...

    www2.slac.stanford.edu/vvc/cosmic_rays.html - Similar

  • Cosmic Rays

    Introductory discussion of the cosmic radiation, as part of the educational exposition 'The Exploration of the Earth's Magnetosphere'

    www-istp.gsfc.nasa.gov/Education/wcosray.html - Similar

  • NGDC/WDC STP, Boulder-Cosmic Rays

    Jul 11, 2005 ... Cosmic Ray data and information available from the NOAA National Geophysical Data Center and collocated World Data Center for ...

    www.ngdc.noaa.gov/stp/SOLAR/COSMIC_RAYS/cosmic.html - Similar

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