Avatar (2009 film) habitable moon orbiting the gas giant Polyphemus in the Alpha Centauri star system. Pandora, whose atmosphere is poisonous to humans, is inhabited by the Na'vi, a species of , blue-skinned, sapient humanoids that live in harmony with nature and worship a mother goddess named Eywa. To explore Pandora's biosphere, scientists use Na'vi-human hybrids called "avatars", operated by genetically matched humans; Jake Sully, a paraplegic former Marine, replaces his deceased identical twin brother as an operator of one. Dr. Grace Augustine, head of the Avatar Program, considers Sully an inadequate replacement but accepts his assignment as a bodyguard. While protecting the
Avatar (2009 film) The first scoring sessions were planned to take place in early 2009. During production, Horner promised Cameron that he would not work on any other project except for "Avatar" and reportedly worked on the score from four in the morning until ten at night throughout the process. He stated in an interview, ""Avatar" has been the most difficult film I have worked on and the biggest job I have undertaken." Horner composed the score as two different scores merged into one. He first created a score that reflected the Na'vi way of sound and then combined it with a separate