X-ray astronomy
(astronomy) An observational branch of astronomy, which deals with the study of X-ray emission from celestial objects.
plural of Viloria
(historical) A former French unit of length, corresponding to about 1.949 metres.
Archaic form of appreciate.
検出器技術の最近の進歩により、天体からのX線放射の観測を扱う天文学の一分野は革命的な変化を遂げ、科学者たちは遠方の銀河における高エネルギー過程の地図化が可能になりました。
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