天てん体たい望ぼう遠えん鏡きょう

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Meanings

1

noun

astronomical telescope

A telescope designed for observing celestial objects. Often used in contrast with 地上望遠鏡 (terrestrial telescope).

heavens, sky, imperial

体body, substance, object

望ambition, full moon, hope

遠distant, far

鏡mirror, speculum, barrel-head

望ぼう遠えん鏡きょう
General term for 'telescope'. 天体望遠鏡 specifically refers to telescopes for astronomy.
地ち上じょう望ぼう遠えん鏡きょう
Terrestrial telescope, used for observing objects on Earth, as opposed to celestial bodies.

Compound of 天体 (astronomical body) and 望遠鏡 (telescope).