concept in ancient Greek astronomy
C46745
concept
A concept in ancient Greek astronomy is an abstract idea or theoretical construct—such as the celestial sphere, epicycle, or harmony of the spheres—used by Greek thinkers to explain and predict the motions and structure of the heavens.
Observed surface forms (1)
- concept in astronomy ×1
Instances (2)
- Ptolemy’s equant via concept surface "concept in astronomy"
- Counter-Earth