NASA astrobiologist Chris McKay said: 'If these signs do turn out to be a sign of life, it would be doubly exciting because it would represent a second form of life independent from water.
美国宇航局天体生物学家麦克凯伊说：“如果最终被证实为生命迹象，这将是双重惊喜。因为它不仅证明了外太空有生命存在，同时还意味着与地球生命迥然不同的、并非以水为生的第二种生命形式也存在。”
NASA astrobiologist Chris McKay said: 'If these signs do turn out to be a sign of life, it would be doubly exciting because it would represent a second form of life independent from water.
美国宇航局天体生物学家麦克凯伊说：“如果最终被证实为生命迹象，这将是双重惊喜。因为它不仅证明了外太空有生命存在，同时还意味着与地球生命迥然不同的、并非以水为生的第二种生命形式也存在。”
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