Giotto | space probe - Deepstash
Giotto | space probe

Giotto | space probe

britannica.com

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What did the space probe Giotto do?

Giotto was the first solar system exploration mission carried out by the European Space Agency. 

In 1986, the Giotto space probe was one of five probes sent to study Halley's comet. It flew through the cloud of dust and gas around the comet at 42 miles per second (68 kilometres per second), passing within 310 miles (500 km) of its icy core. 

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Giotto photographed jets of gas spouting from the black surface of the comet's nucleus.

Spacecraft achievements:

  • Giotto made the closest approach to Halley's Comet and provided the best data for this comet.
  • Giotto was the first spacecraft to provide detailed pictures of a cometary nucleus.
  • Giotto was the first spacecraft to make a close flyby of two comets. Young and active comet Halley could be compared to old comet 26P/Grigg–Skjellerup.
  • Giotto was the first spacecraft to return from interplanetary space and perform an Earth swing-by.
  • Giotto was the first spacecraft to be re-activated from hibernation mode.
  • Giotto was the first spacecraft to use Earth for a gravity assist.

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