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Symphony of Science
"The Case for Mars" is the sixth installment in the Symphony of Science music video series. It features Robert Zubrin, Carl Sagan, Brian Cox, and Penelope Boston. Samples come from the documentary "The Mars Underground" , Cosmos , and Wonders of the Solar System . The video is intended to pique curiosity about the planet Mars and to promote human exploration of it. All rights to clips from Carl Sagan's Cosmos are owned by Druyan-Sagan Associates, Inc., and credit is due to Carl Sagan, Ann Druyan, and Steven Soter for the relevant lyrics and audio-visual material.