ARISTOTLE
(pronounced AIR-IS-TOT-EL)

Aristotle was born in
Northern Greece in 384
B.C.  He studied with
Plato and believed the
Earth was a sphere (like
a basketball).  He agreed
that the everything in the
universe revolved around
the EARTH.  
Science SOL 4.7
Earth-Centered Scientists
PTOLEMY
(pronounced TALL-UH-ME)

Claudius Ptolemy was born
in Alexandria, Egypt in 87
A.D.  He was a
mathematician and
astronomer.  He believed
the order of the planets was
Earth in the center then
Mercury, Venus, Sun, Mars,
Jupiter, and Saturn.  He
created his own order of the
planets called the
Ptolemaic System.
A - Aristotle
P - Ptolemy
E - Earth

APEs were wrong
REMEMBER  A P E
A
ristotle
Ptolemy (Egypt - Pt in Ptolemy)
Earth-Centered

If you remember the letters APE, for the Earth-Centered thought and that the APEs are WRONG,
then you will always remember the guys left over in the
Sun-Centered thought!