213 



EUROPE 



GEOS-1 AND GEOS-2 



European Space Agency (E.S.A.) 



"Big Science" Descriptor : Space: lunar and planetary probes 



Description of Facility/Instrument : GEOS-1, launched In 1977, failed 

 to achieve Its original orbit, but did achieve an unplanned orbit 

 which lasted 14 months. GEOS-2, launched in 1978, has achieved 

 its mission of providing data on how the near-Earth environment 

 reacts to phenomena occurring In outer space. 



Date of Construction : 1977-1978 (launches) 



Construction Cost : 1984 $$ : 



Present International Cooperation 



Natlonallty(s) of Ownership : E.S.A. 

 Nationallty(s) of Operational Funding : E.S.A. 

 Natlonallty(s) of Management Staff : E.S.A. 

 Natlonallty(s) of Researchers: E.S.A. 



Other Information: 



Launched 



GEOS-1 1977 



GEOS-2 1978 



EUROPE 



GIOTTO 



European Space Agency (E.S.A.) 



"Big Science" Descriptor : Space: lunar and planetary probe 



Description of Facility/Instrument : This satellite is due to be 



launched in 1985 to encounter Halley's Comet in 1986. The satel- 

 lite will investigate the matter left in Halley's wake which 

 many researchers believe is the earliest matter left over from 

 the creation of the universe. 



Date of Construction : July 1985 (projected launch) 



Construction Cost : 1984 $$ : 



Present International Cooperation 



Nationallty(s) of Ownership : E.S.A. 

 Natlonality(s) of Operational Funding : E.S.A. 

 Nationallty(8) of Management Staff : E.S.A. 

 Natlonallty(s) of Researchers: E.S.A. 



