Giottos brief encounter

Twenty years ago, in the night between 13 and 14 March 1986, ESA�s Giotto spacecraft encountered Comet Halley. It was ESA�s first deep space mission, and part of an ambitious international effort to solve the riddles surrounding this mysterious object.

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http://www.esa.int/esaSC/SEMSZ0NVGJE_index_0.html