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外星生命存在吗?诺贝尔物理学奖得主:有 – 多伦多新闻网

外星生命存在吗?诺贝尔物理学奖得主:有

诺贝尔委员会10月8日公布3名物理学奖得主,他们分别为研究宇宙模型及系外行星作出巨大贡献。科学家们探索浩瀚宇宙,其中最受关注的就是到底所谓「外星生命」是否存在。得奖者之一的皮布尔斯(James Peebles)教授受访时表示,非常确定在其他星球有一些可被称为「生命」的东西,但或许我们永远无法看到。另一得奖者奎洛兹(Didier Queloz)则指,不相信我们是宇宙中的唯一生命实体。

这次物理学奖的得奖者还包括两名瑞士天文学家马约尔(Michel Mayor)及奎洛兹(Didier Queloz),以表扬他们发现「围绕类太阳恒星的系外行星」的成就。这项发现改变了科学家对行星系统的一些既有思维,例如行星与恒星之的距离,以及行星的大小和轨道等,改进了发掘系外行星的方法,而事实上科学家此后陆续发现了超过4000颗系外行星。

在这些系外行星中,有部分的温度、气压、化学构成或者能够支撑外星生命;这同时触发科学家思考,到底在银河系以至宇宙中,是否有更多类似太阳系的星系存在,以及是否有类似地球的星球能够孕育出「外星生命」。

奎洛兹:相信在某处有生命

奎洛兹表示「我不能相信我们是宇宙中的唯一生命实体」,他被问及是否相信有外星人时表示,「可带来生命的化学作用到处都是,所以我强烈相信在某处会有生命。」

在皮布尔斯得奖后,他也被记者问到其他星球上是否存在生命,他指出,「我们非常确定,其他星球上有一些可以被称为生命的东西,但难以确认这样的生命是否和地球上的一样,也许化学家会对此展开研究,但我们永远无法看到这些生命」。

皮布尔斯又勉励有志投身科学的年轻人,希望他们怀着热爱科学的心走进来,指虽然奖项很吸引,但对科学着迷才应该是驱使他们入行的原因。

文章来源: 综合新闻 于


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