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Europa's buried ocean may punch through icy surface

机译:欧罗巴的深海可能穿透冰冷的表面

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摘要

Forget drilling through ice to reach Europa's buried ocean - it might come to us. In a cracked region of Jupiter's frozen moon, salty ice unlike anything seen before has been spotted. Europa has been a perennial favourite in the search for alien life, thanks to its probable subsurface ocean. NASA plans to send a probe to the moon to study its surface in the 2020s, but what we are learning in the meantime is making it an even more attractive destination. Observations from the Galileo spacecraft, which visited the Jupiter system in the 1990s, found that the moon hosts an ocean covered in water ice. Sulphur and oxygen from volcanoes on the nearby moon lo also fall onto Europa's surface, where they combine to make magnesium sulphate. Now a new analysis has found an unidentified material that only shows up in fractured terrain. This could mean the buried ocean is breaching the surface.
机译:忘了钻穿冰块到达欧罗巴的深海-它可能会降临我们。在木星冰冻月亮的破裂区域,发现了与以往不同的咸冰。由于其可能的地下海洋,欧罗巴一直是寻找外星生命的常年最爱。美国宇航局计划在2020年代对月球进行探测,以研究其表面,但与此同时,我们正在学习的是使之成为更具吸引力的目的地。 1990年代伽利略号航天器的观测结果访问了木星系统,发现月球上有一个被水冰覆盖的海洋。来自附近月球上火山的硫和氧也掉落到欧罗巴的表面,在那儿结合在一起形成硫酸镁。现在,一项新的分析发现了一种无法识别的材料,它仅在破裂的地形中显示。这可能意味着埋藏的海洋正在破坏海面。

著录项

  • 来源
    《New scientist》 |2015年第3046期|9-9|共1页
  • 作者

    Joshua Sokol;

  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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