yes
"Geocentric".
False
he Earth-centered Universe was proposed by Aristotle and Ptolemy.
Galatea of the Spheres was created in 1952.
Spheres are cool. Spheres are the beauty of this galaxy.
True
yes
The word concentrically simply means in a concentric manner. Concentric is a term used to describe spheres of different sizes with a common middle point.
"Geocentric".
True
ptolemaic system
Ptolemaic system
AAristotle developed the theory that planets are spheres and move in concentric circles around the sun
Eudoxus
density stratification
earth's four major spheres are the
Ptolemy considered the solar system (and the universe) to be a set of crystal concentric spheres rotating around the stationary Earth at its centre. On the closest sphere was the moon, then Venus and so on out to the stars on the outer sphere. At the time they didn't have any idea how incredibly big everything is.