The History of Astronomy provides some of the best supporting evidence for the 700 Phantom Years of History theory proposed by Gunnar Heinsohn.
In 1898 Arthur Berry noted the 900-year near-stagnation in Astronomy during the Middle Ages.
Recommended by the Encyclopaedia Britannica as a standard work, Berry’s “History of Astronomy” has the unusual distinction of more than fifty years of continuing popularity.
Used by college students in both England and America, it has also provided laymen in both countries with an accurate and easily understandable account of the great achievements of Copernicus, Galileo, Kepler, Newton, and the 19th-century astronomers of France, Germany, England and America.
A study not so much of men as of their work, it makes a stirring record of our advances in knowledge of the universe accessible to all.
The author devotes his first three chapters to pre-Copernican astronomy, covering primitive views, the speculations of the Greek astronomers from Thales and Pythagoras to Hipparchus and Ptolemy, and the 900-year near-stagnation of the Middle Ages.
Short History of Astronomy – Arthur J. Berry – Dover Publications – 1961