By this time, however, his important work on cosmology Cosmologische Briefe (Cosmological letters on the arrangement of the world structure) (1761) had appeared.
Sa pamamagitan ng mga oras na ito, gayunman, ang kanyang mahalagang trabaho sa kosmolohiya Cosmologische Briefe (kosmolohiko titik sa kaayusan ng mundo structure) (1761) ay lumitaw.