Astronomy Explained Upon Sir Isaac Newton's Principles
And made easy to those who have not studied mathematics
James Ferguson
英文收录于 2019-11-03公版作品
《Astronomy Explained Upon Sir Isaac Newton's Principles
And made easy to those who have not studied mathematics》，James Ferguson。这是一部关于科学、文学、经典的公版作品，适合在安静的片刻里慢慢读下去。