Excerpt from Account of the Great Comet of 1858When, however, the physical organization of comets becomes the special Object of inquiry, and the attention is directed to almost any of their characteristics distinguishable from the simple motion of their centres of gravity about the Sun, we find an extensive field of research which has scarcely yet been entered upon. Of the laws which govern the mysterious evolutions of comets, we know little b...
CHF 55.50