cD
(astronomy) a type of giant elliptical galaxy
To coat with a layer of titanium, often in the form of titanium oxide.
Of, from, or pertaining to Iowa
A microscopic spike.
銀河団の中心で、天文学者たちは周囲の銀河を圧倒する中心優勢の巨大楕円銀河を発見した。
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DiQt
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