This episode focuses on the incredible odyssey of a comet as it sails through the solar system as we follow and watch its every move. We see it evolve from a dormant chunk of ice and rock into a tumbling, violently active nucleus engulfed in a gaseous haze. What we learn is a revelation; comets are even more mysterious and fascinating than we had ever imagined.

How The Universe Works reveals our grand understanding of the universe using the latest research, the most compelling experts, and the best graphics to continue our exploration of the mysteries of the universe.

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