الموسم 1، الحلقة 1: Different Worlds reveals the planetary enigmas on our doorstep and embarks for the final voyage to the only planet still to be visited by a spacecraft – Pluto. Will our encounter with this tiny ball of ice and rock and the trillions of icy objects beyond it paint a clearer picture of how the planets came to be?
Documentary · 9 أكتوبر 1999 · 43 دقائق