helium variable
(astronomy) A star in which the strength of the helium absorption lines vary periodically; at times appearing to be a helium star.
Third-person singular simple present indicative form of main
plural of eigenstructure
a spectacular lyric dance drama of southern India performed with acrobatic energy and highly stylized pantomime.
観測所はその領域で、ヘリウム吸収線が厳密な自転周期で周期的に変化する星をカタログ化した。
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DiQt
Free
★★★★★★★★★★
