Photo: Niels Bohr's research ... which must orbit the dense nucleus like planets around the sun. In 1912 Bohr joined Rutherford. He realized that Rutherford's model wasn't quite right.

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons orbited the nucleus in different ... but they must have fixed levels of energy within each type of atom.

Niels Bohr was born and educated in Copenhagen, Denmark. He lived, worked, and died there, too. But his mark on science and history was worldwide. His professional work and personal convictions ...

The centenary of the discovery of the quantum atom by Niels Bohr will be celebrated ... The New Zealander had discovered the atomic nucleus in 1911 and further investigations by Bohr led to his ...

Photo: Niels Bohr's research ... which must orbit the dense nucleus like planets around the sun. In 1912 Bohr joined Rutherford. He realized that Rutherford's model wasn't quite right.

Niels Bohr was born and educated in Copenhagen, Denmark. He lived, worked, and died there, too. But his mark on science and history was worldwide. His professional work and personal convictions ...