The Elements Of The Four Inner Planets And The Fundamental Constants Of Astronomy (1895) : Kessinger Publishing : 9781120854766 : 1120854768 : 07 Dec 2009 : The book ""The Elements Of The Four Inner Planets And The Fundamental Constants Of Astronomy"" was written by Simon Newcomb in 1895. It is a comprehensive guide to the four inner planets of our solar system, namely Mercury, Venus, Earth, and Mars. The book provides detailed information on the physical characteristics, orbital parameters, and geological features of these planets. In addition to the planetary information, the book also covers the fundamental constants of astronomy, such as the astronomical unit, the sidereal year, and the parallax of stars. The author explains the methods used to calculate these constants and their significance in the field of astronomy.Simon Newcomb was a prominent American astronomer and mathematician of the 19th century. He was known for his contributions to the study of celestial mechanics and hi