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Author: WikiMatrix
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English[en]
Because Neptune was only beginning its yearly retrograde cycle, the motion of the planet was far too slight to be detected with Galileo's small telescope.
Indonesian[id]
Karena Neptunus baru saja memulai siklus penghuluan tahunannya, gerakan planet ini terlalu sulit dilacak menggunakan teleskop kecil Galileo.