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🇯🇵Japanese Source WordCode: JA

電波天文学

Pronunciation / Transliteration: denpa tenmonbaku

🇬🇧 Direct English Meaning:
Radio astronomy/ˈreɪdi.oʊ əˈstrɒn.ə.mi/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇯🇵 Example Sentence in Japanese:

"電波天文学は宇宙からの電波を観測する学問です。"

Comprehensive Definitions & Senses

1 sense
As noun
  1. 1

    The branch of astronomy that studies celestial bodies by means of the radio waves they emit.

    "Radio astronomy has allowed scientists to discover pulsars and map the structure of our galaxy."
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Synonyms (1)

Linguistic Origin & Historical Etymology

Coined in the 20th century, combining 'radio' (derived from Latin radius meaning 'spoke' or 'ray', adapted for wireless telegraphy) and 'astronomy' (from Greek astronomia, from astron 'star' and nomos 'law'). The field emerged in the 1930s when Karl Jansky detected radio waves emanating from the Milky Way galaxy.

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