neutron star
A phrase or expression in which the component words contradict one another, often unintentionally, or are claimed to do so when seen from a particular point of view.
Furnished with a bulkhead or bulkheads.
(astronomy) A degenerate star that has been so collapsed by gravity that its electrons and protons have been merged into neutrons by the intense pressure. The solid mass of neutrons is sometimes called neutronium.
Britain standard spelling of copilot.
天文学者たちは、中性子が主体の崩壊した星とブラックホールの衝突から発生した重力波を検出した。
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