🇰🇷Korean Source WordCode: KO

천체측정학

Pronunciation / Transliteration: cheonche-cheukjeong-hak

🇬🇧 Direct English Meaning:
Astrometry/əˈstrɒm.ɪ.tri/
nounCEFR C1 (Advanced)Top #8500 frequency
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🇰🇷 Example Sentence in Korean:

"천체측정학은 별의 위치를 정확하게 측정합니다."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The branch of astronomy that involves precise measurements of the positions and movements of stars and other celestial bodies.

    "Astrometry provides the crucial fundamental data required to determine the distance, motion, and mass of celestial objects."
  2. 2

    The precise cartography of the sky used to establish a celestial coordinate system.

    "Modern space telescopes have revolutionized astrometry by mapping billions of stars with unprecedented accuracy."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the Greek words 'astron' (star) and 'metron' (measure), combined with the English nominal suffix '-y'. The term emerged in the 19th century as precision in telescopic observation allowed for the rigorous mapping of stellar positions, evolving from ancient positional astronomy.

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