资讯
NASA is conducting a series of experiments onboard the International Space Station to investigate if a sextant could be used on future deep-space missions.
So it is, too, with maritime navigation. The best of the navigators know how to use a sextant like a surgeon uses a scalpel. They are precisely on the cutting edge. I admire them. On the other ...
The Naval Academy hasn’t taught midshipmen how to navigate by the stars in nearly 20 years, but it’s reintroducing the old-school approach to maritime travel. Why use a sextant instead of ...
Celestial navigation, a course within the navigation course all sophomores take, will be deleted next year. Midshipmen will be taught briefly about the theory behind navigating by the stars but ...
Chronicles the author's first transatlantic voyage, when he learned to navigate using a sextant, and traces how this indispensible navigational tool was used by daring mariners to explore and map the ...
NASA's SEXTANT experiment collects data from dozens of our galaxy's pulsars to accurately pinpoint its position anywhere in the solar system.
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