CSExtra – Top Space News for Friday, May 29, 2015Today’s CSExtra offers the latest reporting and commentary on space related activities from across the globe. Can the recent Pioneering Space National Summit in Washington unify exploration advocates? The latest in a series of ground rocket test firings on Thursday advances development of NASA's Space Launch System exploration rocket. NASA selects five proposals from the global community to deal with the radiation threat that accompanies human deep space travel. Hearty microbes could reach Earth on meteorites -- if they can dodge UV radiation. As best scientists can determine, NASA's New Horizons mission spacecraft can speed by Pluto on July 14 without colliding with unseen moons or rings. The giant asteroid Ceres hosts crater atop crater.
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