17.8 MB (300.9 KB compressed)
2271 x 2733 pixels
19.3 x 23.1 cm ⏐ 7.6 x 9.1 in (300dpi)
MONICA SCHROEDER / SCIENCE PHOTO LIBRARY MONICA SCHROEDER / SCIENCE PHOTO LIBRARY
Illustration of a neutron, a subatomic particle with no net electric charge composed of two down quarks and one up quark.
Model release not required. Property release not required.