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physics.hist-ph2019★ 6 cited
The Starry Universe of Johannes Kepler
Christopher M. Graney
Johannes Kepler described the Copernican universe as consisting of a central, small, brilliant sun with its planetary system, all surrounded by giant stars. These stars were far la…
physics.hist-ph2019★ 2 cited
How to make the Earth orbit the Sun in 1614
Christopher M. Graney
In 1614 Johann Georg Locher, a student of the Jesuit astronomer Christoph Scheiner, proposed a physical mechanism to explain how the Earth could orbit the sun. An orbit, Locher sai…