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) was then the biggest second weekend of all time. The film experienced another marginal decrease in revenue in its third weekend, dropping 9.4% to $68,490,688 domestically, remaining in first place at the box office, to set a third-weekend record. "Avatar" crossed the $1 billion mark on the 19th day of its international release, making it the first film to reach this mark in only 19 days. It became the fifth film grossing more than $1 billion worldwide, and the only film of 2009 to do so. In its fourth weekend, "Avatar" continued to lead the box office domestically, setting a