What did the Halley Armada discover around Halley’s Comet? Giotto, VeGa 1 & 2, Suisei and Sakigake

The Halley Armada, Giotto, Vega 1 and 2, Suisei and Sakigake, all visited Halley’s Comet at roughly the same time in 1986. What did they discover? Why was this such a groundbreaking mission?

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Music Credits:
Stellardrone – Cepheid
Stellardrone – Billions and Billions

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