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The 20-story-tall booster built by United Launch Alliance lifted off from its seaside launch pad at Cape Canaveral Air Force Station at 10:02 a.m. EST (3:02 p.m. GMT). Air Jordan 4 Heels It soared through partly cloudy skies into space, carrying NASA's Mars Science Laboratory on a 354-million mile (556 million km), nearly nine-month journey to the planet. "I think this mission is an important next step in NASA's overall goal to address the issue of life in the universe," lead scientist John Grotzinger, with the California Institute of Technology, told reporters shortly after the launch. Jordan 4 Heels The car-sized rover, nicknamed Curiosity, is expected to Nike Dunk Low Heels touch down on August 6, 2012, to begin two years of detailed analysis of a 96-mile (154-km) wide impact basin near the Martian equator called Gale Crater. The goal is to determine if Mars has Air Jordan 4 Boots or ever had environments to support life. It is the first astrobiology mission to Mars since the 1970s-era Viking probes. Scientists chose the landing site because it has a three-mile-high (4.8-km high) mountain of what appears from orbital imagery and mineral analysis to be layers of rock piled up like the Grand Canyon, each layer testifying to a different Jordan 4 Heels For Women period in Mars' history. Previous Mars probes, including the rovers Spirit and Opportunity, searched for signs of past surface water. "We are not a life-detection mission," Grotzinger said. "We have no ability to detect Nike Dunk High Heels life present on the surface of Mars. It's an intermediate mission between the search for water and future missions, which may undertake life detection." With Curiosity, which is twice as long and three times heavier than its predecessors, NASA shifts its focus to look for Air Force One High Heels other ingredients for life, including possibly organic carbon, the building block for life on Earth.