9 . Junior officers . must exert themselves to aid in navigation of the vessel . must use solar and stellar observation; both for correction of compass and ascertaining the position of the vessel.
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NASA said stellar observations were picking up as the shuttle and its seven-member crew, including four astrophysicists, passed the one-fourth point in a marathon flight of 15 1 / 2 days.
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Eratosthenes's results were confirmed by a comparison of stellar observations at Alexandria and Rhodes, carried out by Posidonius in the 1st century BC . These measurements were widely known among scholars, but confusion about the old-fashioned units of distance in which they were expressed had led, in Columbus's day, to some debate about the exact size of the Earth.
How to say stellar observation in Hindi and what is the meaning of stellar observation in Hindi? stellar observation Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
