How the Universe Works

Comets - Frozen Wanderers (2x6)

Data di messa in onda: Ago 15, 2012

We follow the odyssey of a comet as it sails through space, watching every move as it evolves from a chunk of ice and rock into an active nucleus engulfed in a gaseous haze. What we learn is a revelation; comets are even more mysterious than we imagined.