Planet 9
plural of sulphathiazole
(computing) A Unix-like operating system for teaching the principles of operating systems.
(astronomy) A theoretical ninth planet in the Solar system, the gravitational effects of which would explain the improbable orbital configuration of a group of trans-Neptunian objects that orbit mostly beyond the Kuiper belt.
plural of noisette
天文学者たちは、カイパーベルトの外側を公転するいくつかの海王星以遠天体の異常に偏った軌道を説明するために、仮説上の第9惑星の存在を提案した。
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DiQt
Free
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