Metallic Hydrogen - Kinzokuso
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Metallic hydrogen is hydrogen that has been placed under extremely high pressure. There have been experimental reports of successful creation of liquid metallic hydrogen for a very short period of time, less than one millionth of a second, at ultra-high pressures of several hundred gigapascals. Solid metallic hydrogen has not yet been observed. Metallic hydrogen is also thought to exist inside Jupiter and Saturn. Source: About Shogakukan Digital Daijisen Information | Legend |
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極めて高圧の下に置かれた水素が金属状態になっているもの。数百ギガパスカルという超高圧において、100万分の1秒以下というわずかな時間だけ液体状の金属水素を作りだすことに成功したという実験報告がある。固体状のものはまだ観測されていない。また、木星、土星の内部には金属水素が存在すると考えられている。
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