• “protostar”的英文意思

    “protostar”的英文意思

    单词 protostar 释义 protostar Astr.[f. proto- + star n.1]A contracting mass of gas in which nucleosynthesis has not yet begun, representing an early stage in the formation of a star.1954H. Alfvn Orig. Solar Syst. xii. 188 This condensation may have taken...

    2026-04-11
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