New tasks given to old NASA spacecraft 
AP via Yahoo! News - 1 hour, 21 minutes agoLOS ANGELES - NASA said Tuesday it is recycling two used spacecraft to lead new robotic missions to study comets and planets around other stars. The encore performances of the Deep Impact and Stardust probes allow the space agency to further its solar system exploration for a fraction of the cost it would take to start a mission from scratch. Both spacecraft successfully completed their primary missions to two different comets and their discoveries have helped scientists understand how the solar system formed. In 2005, Deep Impact released a copper impactor that smashed into comet Tempel 1. The collision carved...
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