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Next Departure For Mars Stands Ready To Fly
Cape Canaveral FL (SPX) Aug 02, 2007 A NASA robotic explorer equipped to dig up and analyze icy soil on Mars sits atop a 13-story tall stack of rocket engines prepared for liftoff before sunup on Saturday. A Delta II launch vehicle will carry the Phoenix Mars Lander into Earth orbit and, about 90 minutes later, give it the push needed to send it to Mars. A three-week period when planetary positions are favorable for this launch begins with an opportunity at 2:26:34 a.m. PDT (5:26:34 a.m. EDT) on Aug. 4. A second opportunity the same day, if needed, will come at 3:02:59 a.m. PDT (6:02:59 a.m. EDT). "We have worked for four years to get to this point, so we are all very excited," said Barry Goldstein, Phoenix project manager at NASA's Jet Propulsion Laboratory, Pasadena. "Our attention after launch will be focused on flying the spacecraft to our selected landing site, preparing for surface operations, and continuing our relentless examination and testing for the all-important descent and landing on May 25 of next year." Phoenix will travel 679 million kilometers (422 million miles) in an outward arc from Earth to Mars. It will determine whether icy soil on far northern Mars has conditions that have ever been suitable for life. Studies of potential landing sites by spacecraft orbiting Mars led NASA to approve a site at 68.35 degrees north latitude -- the equivalent of northern Alaska -- and 233.0 degrees east longitude. "Phoenix investigates the recent Odyssey discovery of near-surface ice in the northern plains on Mars," said Phoenix Principal Investigator Peter Smith of the University of Arizona, Tucson. "Our instruments are specially designed to find evidence for periodic melting of the ice and to assess whether this large region represents a habitable environment for Martian microbes." The Phoenix mission was proposed in 2002 by an international team led by Smith. Twenty-four other teams also submitted proposals to be the first Mars Scout mission. NASA chose Phoenix in 2003. Phoenix uses a lander structure built for the 2001 Mars Surveyor mission, which was scaled down before launch to an orbiter-only mission. "The spacecraft system and software development matured early in the program. This enabled us to thoroughly test a stable lander design over the entire integration and test schedule period," said Ed Sedivy, spacecraft program manager for Lockheed Martin Space Systems. The Phoenix mission is led by Smith, with project management at the JPL and development partnership at Lockheed Martin Space Systems in Denver. The NASA Launch Services Program at Kennedy Space Center and the United Launch Alliance are responsible for the Delta II launch service. Related Links Phoenix at NASA Phoenix at Arizona Mars at NASA Mars News and Information at MarsDaily.com Lunar Dreams and more
Phoenix Will Dig For Water And Life On Edge Of Northern Polar Zone Of Mars
Washington (AFP) Aug 02, 2007NASA on Saturday is to launch space probe Phoenix on a nine-month journey to Mars' arctic region, where it will dig through ice for clues to past or present microbial life on the red planet. The Phoenix Mars Lander is scheduled for blastoff from Cape Canaveral, Florida on August 4, with a first attempt at 5:36 am (0936 GMT), and a second attempt, should it be needed, at 6:02 am (1002 GMT). It was originally scheduled to launch on Friday, but postponed 24 hours after adverse weather Tuesday prevented fueling of the two-stage Delta II rocket that will propel Phoenix into space. |
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