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November 1, 2025
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jan 1, 1913 - Bohr Planetary Model 1913

Description:

depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus—similar to the structure of the Solar System, but with attraction provided by electrostatic forces rather than gravity.

Added to timeline:

Date:

jan 1, 1913
Now
~ 112 years ago

Images: