, |
| eV (calculated) | Force Fields | Observed Cosmic Ray | Main Source |
|
| 3.7 × 103 | photon (electromagnetism) |
|
|
|
| 7 × 107 | (strong) |
| solar |
|
| 9.1 × 1010 (given) | (weak) |
| galactic SNR |
|
| 1.7 × 1015 |
| the first knee | galactic SNR |
|
| 2.4 × 1017 |
| the second knee | galactic SNR |
|
| 3.2 × 1019 |
| the toe | extragalactic UHECR |
|
| 4.4 × 1021 |
| beyond the GZK limit | not observed |
|
| 6.0 × 1023 |
|
|
|
|
| 8.3 × 1025 |
|
|
|
|
| 1.1 × 1028 | Planck mass (gravity) |
|
|