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Space Exploration Oct 10, 2007

Dawn Mission Status: Spacecraft Tests Ion Engine

NASA's Dawn spacecraft successfully completed the first test of its ion propulsion system over the weekend. The system is vital to the success of Dawn's 8-year, 1.6 billion-mile (3-billion-kilometer) journey to asteroid Vesta ...

Space Exploration Sep 25, 2007

NASA Spacecraft Is a 'Go' for Asteroid Beltbrics

Launch and flight teams are in final preparations for the planned Sept. 27 liftoff from Pad 17-B at Cape Canaveral Air Force Station, Fla., of NASA's Dawn mission. The Dawn spacecraft will venture into the heart of the asteroid ...

Aug 27, 2007

How Snakes Survive Starvation

Starving snakes employ novel survival strategies not seen before in vertebrates, according to research conducted by a University of Arkansas biologist. These findings could be used in conservation strategies to determine ...

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