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Stardust (spacecraft)
''Stardust'' was a 300-kilogram robotic space probe launched by NASA on February 7, 1999. Its primary mission was to collect dust samples from the coma of comet Wild 2, as well as samples of cosmic dust, and return these to Earth for analysis. It was the first sample return mission of its kind. En route to comet Wild 2, the craft also flew by and studied the asteroid 5535 Annefrank. The primary mission was successfully completed on January 15, 2006, when the sample return capsule returned to Earth.
A mission extension codenamed NExT culminated in February 2011 with ''Stardust'' intercepting comet Tempel 1, a small Solar System body previously visited by ''Deep Impact'' in 2005. ''Stardust'' ceased operations in March 2011.
On August 14, 2014, scientists announced the identification of possible interstellar dust particles from the Stardust capsule returned to Earth in 2006.
==Mission background==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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