The future of U.S. human spaceflight may be unclear, but NASA and its international counterparts continue to keep the Moon and Mars in their sights with robotic missions. China will be first to return to the Moon with the Chang’e 2 orbiter planned for launch in October. This is similar to Chang’e 1, which ended its mapping mission in March 2009. A lander with rover is planned for 2013, followed by a sample return mission. NASA’s twin-spacecraft Grail mission is to be launched in 2011 to ...
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