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Weird ice found on Neptune and Uranus has now been made on Earth

点击量:   时间:2019-03-03 13:12:01

NEPTUNE and Uranus have hearts of ice, but not like any ice you’ve ever seen. For the first time, a team has created the bizarre stuff that might occupy the cores of these ice giants. It is called superionic ice. It only occurs at temperatures matching those on the sun’s surface, and pressures exceeding a million Earth atmospheres – the environment predicted at the centre of ice giants. In this hot ice, the oxygen ions of the water molecules behave like a solid, staying in place to form a lattice,