The Helios-1 spacecraft has completed its dual superior conjunctions and second perihelion passage of the Sun and is rapidly approaching its second aphelion, near the Earth's heliocentric trajectory. Valuable scientific data were obtained during these two important events. Helios-B testing activities are proceeding according to schedule, with test results reported in this article.
Helios Mission Support
1975-12-15
Miscellaneous
No indication
English
NTRS | 1982
|NTRS | 1976
|NTRS | 1976
|NTRS | 1978
|NTRS | 1978
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