Illustration of a neutron, a subatomic particle with no net electric charge composed of two down quarks and one up quark. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sutton, Spencer |
Taille de l’image : | 4020 px × 4354 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |