When he read Cosmographic Mystery, Brahe was impressed with Kepler’s grasp of mathematics and astronomy, and he invited Kepler to join him in Benátky, near Prague, now in the Czech Republic.
Izlasījis Visuma noslēpumus, Brahe pamanīja, ka šī darba autoram ir laba izpratne par matemātiku un astronomiju, un uzaicināja viņu pie sevis par asistentu.