Page:Mathematical collections and translations, in two tomes - Salusbury (1661).djvu/298



And this way also there will come forth 59

And so many semidiameters are contained in the line BC, to which one being added for the line AB, we shall have little lesse than 61. semidiameters for the two lines ABC; and therefore the right distance from the centre A, to the Star C, shall be more than 60. semidiameters, and therefore it is superiour to the Moon, according to Ptolomy, more than 27. semidiameters, and according to Copernicus, more than 8. supposing that the distance of the Moon from the centre of the Earth by Copernicus his account is what the Author maketh it, 52 semidiameters. With this same working, I find by the observations of Camerarius, and of Munosius, that the Star was situate in that same distance, to wit, somewhat more than 60. semidiameters. These are the observations, and these following next after them the calculations.