barred spiral galaxy
A crown cap.
(astronomy) A spiral galaxy with a central bar-shaped structure composed of stars.
(transitive) To make a shallow copy of.
(mineralogy) A pleochroic, light-sensitive variety of the mineral beryl containing aluminium, beryllium, oxygen and silicon
天文学者は赤外線観測を用いて、近傍の中心に棒状の星の構造を持つ渦巻銀河における星形成パターンを研究した。
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