The Giotto Extended Mission (GEM) - High risk, high payoff

Details The Giotto Extended Mission (GEM) - High risk, high payoff The Giotto Extended Mission (GEM) - High risk, high payoff

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993esabu..73...32n&link_type=abstract

ESA Bulletin (ISSN 0376-4265), no. 73, p. 32-41.

Computer Science

Giotto Mission, Halley'S Comet, Interplanetary Space, Risk, Synchronous Satellites, Transfer Orbits, Ariane Launch Vehicle, European Space Agency, Grigg-Skjellerup Comet, Target Recognition

Scientific paper

In February 1990, ESA began reactivation of the Giotto spacecraft, which had been dormant for the previous four years, via the omnidirectional low-gain antenna mounted atop the Giotto. By the end of April 1990, spacecraft temperatures had been reduced to levels at which the experiments could be activated; of the original complement of ten experiment modules, the magnetometer, energetic particle analyzer, and optical probe experiment were fully functional, and an additional three instruments were partly damaged but usable. A mission that targetted Comet Grigg-Skjellerup 214 million km from the earth was then put into effect.

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