Astronomy & Space Science · History of Astronomy
A topic within History of Astronomy, itself one of 8 topics in that field and part of Astronomy & Space Science.
Assumes you know the vocabulary.
Mysterium Cosmographicum
Johannes Kepler · 1596
Argues the spacing of the six known planetary orbits is fixed by nesting the five Platonic solids between them, offered as a physical reason why the…
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Primary sources and full treatments.
De revolutionibus orbium coelestium
Nicolaus Copernicus · 1543
Argues, across six books of geometrical models, that a sun-centred and rotating-earth arrangement of the heavens accounts for planetary motion more…
3 works
Johannes Kepler
Argues the spacing of the six known planetary orbits is fixed by nesting the five Platonic solids between them, offered as a physical reason why the Copernican system must be true rather than merely a convenient calculation.
link checked 17 Sept 2026Thomas S. Kuhn
Argues Copernicus's astronomical reform could not stay contained within astronomy, because a moving earth demanded a new physics and a new cosmology to replace the whole Aristotelian world picture it depended on.
Nicolaus Copernicus
Argues, across six books of geometrical models, that a sun-centred and rotating-earth arrangement of the heavens accounts for planetary motion more coherently than Ptolemy's system of nested circles.
link failing as of 17 Sept 2026