🔬 Discovery

Nagaoka's Saturnian atomic model

Modelo atómico saturniano de Nagaoka

Date
1904 · confidence high
Place
Imperial University, Tokyo, Japan
Credited to
Nagaoka Hantarō
People
👤 Hantarō Nagaoka1865–1950
Field
Cosmos & Earth

What was discovered

An atomic model with a massive central nucleus and electrons orbiting in rings, like Saturn. It anticipated the atomic nucleus that Rutherford confirmed in 1911, who cited it.

The model was unstable according to classical physics, and Nagaoka abandoned it in 1908.

What it led to

  • Rutherford's atomic nucleus
  • modern physics in Japan
🕸️ View in the graph

Built on

Made possible

📄 Original publication

LV. Kinetics of a system of particles illustrating the line and the band spectrum and the phenomena of radioactivityH. Nagaoka · The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science · 1904

Links