kính trắc tinh
Definition
- Noun:
- Astrolabe: A historical astronomical instrument, used to measure the altitude of celestial bodies above the horizon, and to determine the time and latitude.
Usage Examples
- Noun:
- Các nhà hàng hải cổ đại sử dụng kính trắc tinh để định vị trên biển. (Ancient sailors used the astrolabe to navigate at sea.)
- Kính trắc tinh là một công cụ quan trọng trong thiên văn học thời Trung Cổ. (The astrolabe was an important tool in Medieval astronomy.)
Advanced Usage
- The term is specific to historical and astronomical contexts. In modern navigation and astronomy, it has been replaced by more precise instruments like the sextant and electronic systems.
Variants and Related Words
- Kính thiên văn (n): Telescope (an instrument for viewing distant objects, not for measurement like the astrolabe).
- Sextant (n): A modern navigational instrument for measuring angles, primarily used to determine latitude and longitude.
Synonyms
- Astrolabe
- Historical navigational instrument
Related Terms
- Astronomy: The scientific study of celestial objects.
- Navigation: The process of accurately determining position and planning a route.
- Altitude: The angular height of a celestial object above the horizon.