planetesimal 中文意思是什麼
planetesimal
解釋
n. 名詞 ,adj. 形容詞 【天文學】微星（的）。-
They may have been a source of part of the atmosphere of the terrestrial planets, and they are believed to have been the planetesimal - like building blocks for some of the outer planets and their satellites
它們可能是陸地行星大氣的部分來源，他們也被認為是一些外層行星及其衛星的像星子一樣的構成石塊。
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