'In the 2nd century B.C., this Egyptian astronomer thought that stars were fixed points of light in a rotating sphere'
Ptolemy
PSCIENCE & MEDICINE: In the 2nd century B.C., this Egyptian astronomer thought that stars were fixed points of light in a rotating sphere
In the 2nd century B.C., this Egyptian astronomer thought that stars were fixed points of light in a rotating sphere
In the 2nd century B.C., this Egyptian astronomer thought that stars were fixed points of light in a rotating sphere
"P"SCIENCE & MEDICINE
Ptolemy
"P"SCIENCE & MEDICINE