Sources
Solar (< 10 GeV)
Solar flares
Shock fronts
Galactic (< 1018 eV)
Shock Fronts (< 1015 eV)
Active Galactic Nuclei (AGNs)?
Extragalactic? (> 1018 eV)
3 Observations > 1020 eV
How much energy is 1020 eV?
From: T.H.K. Irving, Honours thesis, 1995
Previous slide
Next slide
Back to first slide
View graphic version