Number of the Heavens

One of the most controversial, cutting-edge ideas in cosmology—the possibility that there exist multiple parallel universes—in fact has a long history. Tom Siegfried reminds us that the size and number of the heavens have been contested since ancient times. His story offers deep lessons about the nature of science and the quest for understanding.

Una dintre cele mai controversate idei de ultima ora din cosmologie - posibilitatea existentei mai multor universuri paralele - are de fapt o istorie lunga. Tom Siegfried ne aminteste ca dimensiunea si numarul cerurilor au fost contestate din cele mai vechi timpuri.