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大量反物质奔向地球 原因不明
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Topic: 大量反物质奔向地球 原因不明 (Read 125 times)
terry1xxx
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大量反物质奔向地球 原因不明
November 18, 2017, 01:41:42 AM
#1
地球虽然在宇宙之中,但是我们并不十分清楚它与宇宙有什么样的具体联系。科学家发现,地球接受大量超出想像的反物质,其原因不明。
据澳洲科技网站ScienceAlert 11月17日报导,科学家在计算地球所接受的反物质“正电子”时,惊讶地发现其量很大,而且超出预料。
正电子是指一种质量和大小与电子完全相同,但所带电荷却与电子所带负电完全相反的粒子。正电子带正电。
当然,包括正电子在内的大量宇宙射线无时无刻不飞向地球,但是其中的正电子源自何处,或者说,它们是如何产生的,目前仍是科学之谜。
尤其是,2008年科学家使用一种宇宙射线探测器,其名称为PAMELA(Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics),检测到大量的正电子从宇宙深处飞来,其数量之多超出以前的预料。
有人推测,正电子来自某种脉冲星。波兰科学院的物理学家格鲁斯(Francisco Salesa Greus)表示,天文台检测到脉冲星释放出伽玛射线、高能电子等等粒子,但是这些高能粒子间的相互作用不足以产生如此多的正电子。
也就是说,有很多正电子不来源于脉冲星。那么它们来自于何方?
报导说,有人提出,正电子也许来自一种质量大的暗物质粒子,因为暗物质是构成宇宙的主要物质。
但是,目前为止,暗物质也是科学之谜。暗物质的来源、真正的性质等等都是谜
violet1
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Re: 大量反物质奔向地球 原因不明
November 18, 2017, 01:45:21 AM
#2
这是要毁灭地球的节奏呀,吓死了
zhangshi
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Re: 大量反物质奔向地球 原因不明
November 18, 2017, 03:50:46 AM
#3
这么的恐怖,现在就是没有反物质奔向地球,估计地球的寿命也不是很长了,现在地球遭到的破坏太严重了,从温度每年都有所升高,就可以看出来了,希望还是保护地球吧。
sundylee
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Re: 大量反物质奔向地球 原因不明
November 18, 2017, 05:50:27 AM
#4
这么厉害,不知道有生之年人类在火星上进展会怎么样。
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