the heavens were a vast sphere, made of fire
dimidium ejus spati
for space was infinite and had no center
diapason
its base was the apparent disc of the sun
sixty times the equatorial radius of earth
a cone had its apex at the center of the earth
the distance to the moon and back
each planet lived in spheres numbered four
three spheres confined the moon
fere tantundem
he did not believe in the large parallax
in the region of the clouds and winds
the horizon equally divided the ecliptic
the homocentric spheres
sescuplum
why did the sun show no movement in lattitude?
diapason
the error disappeared at syzygy
in the pure and liquid air of continual light
dimidium
the shadow of the earth reached the sun's orbit
the planets continued gliding in their epicycles
in the lunar parallax
he observed the distances of zenith
at noon for three hundred stadia he saw no shadows
for space was infinite and had no center
dimidium
for space was a sphere, and earth was its center
diapason
Eudoxus
Hipparchus
Thales
Menelaus
Ptolemy
Kleomedes
Archimedes
Posidonius
Theon
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