The 1986 apparition of Halley’s Comet gave scientists the opportunity to study the comet closely, and several probes were launched to do so. The Soviet Vega 1 probe began returning images of Halley on 4th of March 1986, captured the first-ever image of its nucleus, and made its flyby on 6 March. It was followed by the Vega 2 probe, making its flyby on the 9th of March. On the 14th of March, the Giotto space probe, launched by the European Space Agency, made the closest pass of the comet’s nucleus. There were also two Japanese probes, Suisei and Sakigake. Unofficially, the numerous probes became known as the Halley Armada. We celebrate this historic apparition with an AI image of a satellite next to Halley’s comet. By the way today is also my own birthday (4th of March 1973) …

March 4

If you are interested what else happened on this day, please click on the calendar or press the button below:

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