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Comparison of some characteristics of comets 1P/Halley and 67P/Churyumov-Gerasimenko from the Vega and Rosetta mission data

Ksanfomality, L. V.

On March 6 and 9, 1986, for the first time in the history of science, the Russian spacecraft Vega-1 and -2 approached the nucleus of comet 1P/Halley and flew by at a small distance. A while later, on March 14, 1986, the Giotto spacecraft (European Space Agency (ESA)) followed them. Together with the Japanese spacecraft Suisei (Japan Aerospace Expl…