astronomers of all time are Claudius Ptolemy and Nicolaus

Copernicus. These men had very different ideas and theories.

Claudius Ptolemy was born around 100 A.D. and died around

165 A.D. He was considered one of the greatest Greek astronomers

and geographers of ancient times. Very little is known about him,

but he did his observations of astronomy in Alexandria, Egypt. His

works are known as Almagest, which means the greatest. Ptolemy

did not believe that the earth moved. He said that since the earth is

Some common words found in the essay are:
Copernicus Polish, Egypt Almagest, Spain China, Claudius Ptolemy, Nicolas Copernicus, Nicolaus Copernicus, Ptolemy Astronomy, claudius ptolemy,
Approximate Word count = 424
Approximate Pages = 2 (250 words per page double spaced)