甲烷冰俗称可燃冰,是为天然气水合物(gas hydrate)俗称气水化合物。由水分子所形成的结晶架构,化学式通常以mM‧nH20表示(m表气体分子数;M表气体分子;n表水分子数
鸟神星的外观偏红色,光谱的观测指出其表面可能覆盖著甲烷冰。
Makemake is known to be a world somewhat red in appearance, with spectra indicating it is likely covered with frozen methane.
本周,工程队曾试图将一个100吨重的钢制屋形盖置于漏油点上,不过很快,不断积聚的甲烷冰堵塞了该装置,最终以失败告终。
Efforts failed this week to lower a 100-ton steel containment dome onto the leakage site, because quickly accumulated methane hydrates blocked the device.
但最近对泰坦内部的一项新研究却揭开了这颗奇异星球更为怪诞的一面:脆弱的甲烷冰地表之下,覆盖着一层冰泥,更深处依然是一个地下海洋,最中间是冰和岩石并存的固态核心。
But a new look at Titan's insides reveals even more oddities: Beneath the brittle crust of ice lies a layer of slush. Deeper still is an underground ocean over a solid core of rock and ice.
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