Armada Halley

Chama-se Armada Halley um grupo de cinco sondas espaciais que foram enviadas para analisar o Cometa Halley durante o ano de 1986 quando o cometa fazia sua jornada pelo interior do nosso Sistema Solar.[1] Esta "armada" era constituída de uma sonda originaria da Agência Espacial Europeia - ESA, duas sondas que foram um projeto entre a União Soviética e a França, duas sondas do Japão da agora denominada Agência Japonesa de Exploração Aeroespacial - JAXA.

A armada

As sondas espaciais envolvidas nesta armada eram, em sua ordem de aproximação:[1]

  • A sonda Giotto
    A sonda Giotto
  • As sondas Vega 1 e 2
    As sondas Vega 1 e 2
  • A sonda Suisei
    A sonda Suisei
  • A sonda Sakigake
    A sonda Sakigake

Sondas relacionadas

Outras sondas que usaram seus instrumentos para analisar o Cometa Halley:

  • Pioneer 7, lançada em 17 de agosto de 1966 em órbita solar para estudar os campos magnéticos e ventos solares, além de raios cósmicos em pontos muito distantes em sua órbita. Em 20 de março de 1986, ela passou a 12,3 milhões de km do Cometa Halley e usou seus instrumentos para monitorar a interação entre a cauda de hidrogênio do cometa e os ventos solares.[1]
  • Pioneer Venus 1, em órbita de Vênus, estava perfeitamente posicionado para fazer medições do Cometa Halley durante o seu periélio em 9 de fevereiro de 1986. O seu espectrômetro-UV observou a perda de água quando a observação do cometa era muito difícil da Terra.[2]
  • Sonda International Cometary Explorer - ICE, Originalmente denominada de ISEE-3, foi rebatizada para ICE, com o estabelecimento desta nova missão exploradora.- (NASA).[1]

Referências

  1. ↑ a b c d C. Stelzrled, L. Efron e J. Ellis (Setembro de 1986). «Halley Comet Missions» (PDF) (em inglês). NASA - Jet Propulsion Laboratory. Consultado em 12 de agosto de 2019 
  2. ↑ William H. Smyth, Michael R. Combi e A. I. F. Stewart (30 de agosto de 1991). «Analysis of the Pioneer-Venus Lyman-α Image of the Hydrogen Coma of Comet P/Halley» (em inglês). American Association for the Advancement of Science. pp. 1008–1010. Consultado em 12 de agosto de 2019 

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