Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Rutherford model or planetary model is a model of the atom devised by Ernest Rutherford. Rutherford directed the famous Geiger-Marsden experiment in 1909, which suggested to Rutherford''s analysis (1911) that the Plum pudding model of J. J. Thomson of the atom was incorrect. Rutherford''s new model for the atom, based on the experimental results, had a number of essential modern features, including a relatively high central charge concentrated into a very small volume in comparison to the rest of the atom and containing the bulk of the atomic mass (the nucleus of the atom), and a number of tiny electrons circling around the nucleus like planets around the sun.
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