spectral class
A small trampoline.
(astronomy) A classification of stars depending on their spectra and luminosity; usually one of O, B, A, F, G, K, M.
Archaic form of Danapur.
plural of frequentist
天文学者は吸収線と光度を解析して、その星の分光分類を決定した。
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DiQt
Free
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