On the first leg of this awe-inspiring cosmic journey, COSMOS host Dr. Carl Sagan takes viewers to the edge of the universe aboard the Spaceship of the Imagination and across the vast expanse of all time. Through beautiful (and accurate) special effects, we witness quasars, exploding galaxies, star clusters, supernovas and pulsars; and returning to the Solar System, enter an astonishing recreation of the Alexandrian Library, seat of learning on earth more than 2000 years ago.

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