celestial navigation การใช้

• This suggests they use a technique of celestial navigation called transverse orientation.
• They were critical to advances in surveying, celestial navigation, and other domains.
• Stars have been used as navigation aids ( see Celestial navigation ).
• In 1896, he invented the bubble sextant for use in celestial navigation.
• It is also one of the 57 stars used in celestial navigation.
• This phenomenon is routinely allowed for in levelling and celestial navigation.
• Instead, Aebi had a sextant for celestial navigation and a radio direction finder.
• Ground synthetic training devices, such as the Celestial Navigation Tower were also used.
• Celestial navigation serves as a backup to the Global Positioning System.
• The astrolabe was the chief tool of Celestial navigation in early maritime history.
• Not depending on celestial navigation, they invested their efforts in radio navigation systems.
• Arab navigational tools like the astrolabe and quadrant were used for celestial navigation.
• Besides his research, he taught celestial navigation and time measurement to college students.
• Both marine chronometers to determine longitude by means of celestial navigation.
• During World War II the planetarium was used to train pilots in celestial navigation.
• SHA is often used in celestial navigation and navigational astronomy.
• Huston provided training for the Mercury astronauts in celestial navigation.
• Columbus sailed without celestial navigation, without longitude, without any reliable way to measure speed.
• Celestial navigation has been taught since the academy was established.
• As so often in her earlier fiction-- " Celestial Navigation,"