Altieri Biagi, Maria Please help improve this article by adding citations to reliable sources. The mission was further delayed by the hiatus in launches that occurred after the Space Shuttle Challenger disaster. Retrieved 19 January Archived from the original on Archived from the original on 19 July They chose the antenna motor reverse driver.
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How is the speed of light measured?
Galileo 's prime mission was a two-year study of the Jovian system. The PPR had seven radiometry bands. The first four pairs of satellites were launched on 22 August27 March11 September and 17 December Thank You for Your Contribution! The contemporaries of Tycho Brahe. The Controversy on the Comets of