Astrolabe Meaning: Definition, Examples, and Translations
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astrolabe
[หรฆstrษหleษชb ]
Definition
navigational instrument
An astrolabe is an ancient astronomical instrument used for solving problems related to time and the position of the stars. It can be used to measure the altitude of celestial bodies and to simulate the apparent motion of the heavens.
Synonyms
astronomical calculator, celestial sphere, navigation device.
Examples of usage
- The sailors used the astrolabe to navigate across the ocean.
- Ancient astronomers relied on the astrolabe to track the stars.
- An astrolabe can also be used to find the local latitude.
- In the past, the astrolabe was an essential tool for navigation.
Translations
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Interesting Facts
Historical Origins
- The astrolabe dates back to around 150 BC, with significant improvements made during the Islamic Golden Age.
- It was instrumental for sailors during the Age of Exploration, allowing them to navigate the oceans more effectively.
Applications in Science
- Scholars used astrolabes to study planetary movements, aiding in early understanding of celestial mechanics.
- Today, they are sometimes used in education to teach students about stars and navigation principles.
Cultural Significance
- Various cultures, including the Greeks, Persians, and later, European scientists, contributed to the design and use of the astrolabe.
- It symbolizes the blending of art and science, often featuring elaborate engravings representing constellations.
Modern Influence
- Astrolabes inspired modern navigational tools, laying groundwork for devices like sextants and GPS.
- They remain popular among enthusiasts and historians, often displayed in museums highlighting ancient scientific achievements.
Origin of 'astrolabe'
Main points about word origin
- The word comes from the Greek 'astralabos', meaning 'star taker'.
- It has roots in Arabic astronomy, where it was developed and widely used to navigate and tell time.
The term 'astrolabe' originates from the Greek word 'astrolabion', which means 'star taker' or 'star seizer'. This sophisticated device has been used since antiquity, particularly in ancient Greece and the Islamic Golden Age. The earliest astrolabes were created for astronomical observations and later adapted for navigation. Its development marked a significant advancement in the fields of astronomy and navigation, allowing users to make precise measurements of celestial bodies. Throughout the Middle Ages, the astrolabe became a crucial tool in navigation and science, facilitating exploration and the study of astronomy. Various modifications were made over the centuries, leading to specialized versions like the mariner's astrolabe. This instrument reflects the rich history of human understanding of the cosmos and our place within it.