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SpaceX Dragon Spacecraft Receives Initial Approval From NASA Safety Review Panel
El Segundo CA (SPX) Aug 30, 2007 SpaceX has successfully completed the first of three phases of review required by NASA's Safety Review Panel (SRP) to send its Dragon spacecraft to the International Space Station (ISS). Over a series of meetings spanning four days at NASA's Johnson Space Center in Houston, the team of SpaceX engineers developing the Dragon spacecraft presented their Phase I plans for sending the cargo version of Dragon to the $100 billion dollar orbiting space laboratory. The review covered twenty-three specific hazards, with extra attention paid to the danger of collision -- one of the most difficult hazards to mitigate. The issue of preventing a collision with the ISS was a primary topic of the safety review, and is generally considered one of the more difficult visiting vehicle topics. According to the Safety Review Panel's approval letter, the Phase I collision hazard report for Dragon was approved on the first attempt "To date, no other group has passed the Hazard of Collision report the first time through or completed the overall review in such a short time," said Elon Musk, CEO of SpaceX. "The fact that we passed in under a week speaks well of our team's capabilities." As part of NASA's Commercial Orbital Transportation Services (COTS) competition, SpaceX intends to demonstrate its launch, maneuvering and docking abilities by 2009 -- a year before NASA has scheduled the conclusion of Space Shuttle operations. Related Links Launch Pad at Space-Travel.com
Researchers Clone Aluminum-Tolerance Gene In Sorghum, Boost For Crop Yields In Developing World
Washington DC (SPX) Aug 30, 2007When soils are too acidic, aluminum that is locked up in clay minerals dissolves into the soil as toxic, electrically charged particles called ions, making it hard for most plants to grow. In fact, aluminum toxicity in acidic soils limits crop production in as much as half the world's arable land, mostly in developing countries in Africa, Asia and South America. |
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