carbon planet
The quality of being unpermissive.
(astronomy) A theoretical type of terrestrial planet that could form, if protoplanetary discs are carbon-rich and oxygen-poor.
(anatomy) The region of the soft palate and the pharynx
Obsolete form of trenchant.
一部のモデルでは、炭素に富む地球型惑星がケイ酸塩の岩石の代わりに広大な黒鉛やダイヤモンドの層を持って形成される可能性があると予測している。
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