They measure atti tude when Hubble is changing its pointing from one target a star or planet for example to anoth er and they help control the telescopes pointing while scientists are observing targets Three gyros must operate simultaneously to prov ID: 24688
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Hubble FactsSpace AdministrationGoddard Space Flight CenterGreenbelt, Maryland 20771Hubble Space Telescope Servicing Mission 3AGYROSCOPES The gyroscopes, or gyros, on Hubble are need- Rate Sensor Assembly