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越来越多的反物质在撞击地球:科学家也不知道为什么

 7 years ago
source link: http://tech.sina.com.cn/d/s/2017-11-28/doc-ifypathz6704654.shtml
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新浪科技讯北京时间11月28日消息,据国外媒体报道,正电子是一种反物质粒子,指质量、带电量和电子完全相同,但带正电荷的粒子。当正电子遇到电子时,会与之发生湮灭,转变为光子。此前有观测发现,宇宙中的正电子撞击地球的频率要比原先预计的高得多。正

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