Includes detailed discussion on all of the Great astronomers, including Ptolemy, Copernicus, Galileo, Newton, Flamsteed and Herschel.
By the mathematician, Irish astronomer to Lord Rosse in 1865, Irish Astronomer-Royal in 1874 and writer of popular science books..
Includes detailed discussion on all of the Great astronomers, including Ptolemy, Copernicus, Galileo, Newton, Flamsteed and Herschel