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dual spin
A spacecraft design in which the main body of the satellite is spun to provide altitude stabilization, and the antenna assembly is "de-spun" – in other words, rotated at the same speed but in the opposite direction – by means of a motor and bearing system in order to continually point the antenna earthward.
Related category
• SPACECRAFT NAVIGATION AND CONTROLAlso on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History