Illustration of a proton and a neutron, subatomic particles composed of quarks. A proton consists of two up quarks and one down quark and a neutron has two down quarks and one up quark. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Schroeder, Monica |
Bildgröße: | 4694 px × 2305 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |