对黑洞有新发现！“拉索”发布两项最新成果
<p data-pm-slice="0 0 []" style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;">11月16日，位于甘孜州稻城县的高海拔宇宙线观测站（简称“拉索”）发布了两项科学成果：一是宇宙线质子能谱“膝区”显现超出预期的高能组分；二是观测到黑洞吸积驱动的微类星体是银河系中强大的粒子加速器，能够将质子加速至拍电子伏（能量在1000万亿电子伏特以上），从而是宇宙线高能组分的最可能的加速源。</span></p><p></p><section nodeleaf="" data-mpa-action-id="mi18xm9y4bp" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgba(0, 0, 0, 0.9); font-size: 17px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; visibility: visible; box-sizing: border-box !important; overflow-wrap: break-word !important;"></section><p></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span data-mpa-action-id="mi18xm9y1ij4" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 14px;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span textstyle="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; color: rgb(136, 136, 136);">俯瞰“拉索” 摄影/李强</span></span></span></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">两项成果分别发表于《科学通报》和《国家科学评论》，前者以前所未有的精细度，测量了宇宙线质子的能谱，后者则有力地推动了将微类星体视为“膝”区宇宙线可靠加速源的研究。</span></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">宇宙线是一种剥离了电子的原子核，它们如同夜空中的流星，不断以惊人的高速撞击着地球，它们的起源是当代天体物理学最重大的前沿科学问题之一。</span></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">上世纪50年代末，科学家在宇宙线能谱（宇宙线数量在粒子能量上的分布）中发现，当宇宙线能量达到3拍电子伏特能量，附近出现了一个独特的拐折结构，因形似人的膝盖，被称为“膝”结构，其深刻关联着宇宙线的来源和它们在宇宙空间中的旅行方式。</span></p><p></p><section nodeleaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgba(0, 0, 0, 0.9); font-size: 17px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span textstyle="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; color: rgb(136, 136, 136);"></span></section><p></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-size: 14px; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span textstyle="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; color: rgb(136, 136, 136);">“拉索”观测站里，安装在地表的探测器 摄影/李强</span></span></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;">但近70年来，关于“膝”结构，一直未弄清其成因。此前，银河系内公认的宇宙线源是超新星遗迹，但观测和理论都发现它们无力将宇宙线加速到宇宙线“膝”及以上的高能量。此次成果认为，银河系内存在多种类的宇宙线源，黑洞是最有可能的宇宙线源之一，把宇宙线加速到“膝”以上的，是黑洞吸积驱动的微类星体，这不仅揭示了宇宙线起源的关键机制，也为理解黑洞系统的极端物理过程打开了新窗口。</span></p><p></p><section nodeleaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; color: rgba(0, 0, 0, 0.9); font-size: 17px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"></section><p></p><p style="-webkit-tap-highlight-color: transparent; margin-top: 0px; margin-bottom: 24px; padding: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgba(0, 0, 0, 0.9); font-family: PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; font-size: 17px; letter-spacing: 0.544px; text-align: justify; text-wrap-mode: wrap; background-color: rgb(255, 255, 255); box-sizing: border-box !important; overflow-wrap: break-word !important;"><span data-mpa-action-id="mi18ygn36xg" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; font-size: 14px;"><span leaf="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; font-family: mp-quote, PingFang SC, system-ui, -apple-system, BlinkMacSystemFont, Helvetica Neue, Hiragino Sans GB, Microsoft YaHei UI, Microsoft YaHei, Arial, sans-serif; line-height: 1.6; letter-spacing: 0.034em; box-sizing: border-box !important; overflow-wrap: break-word !important;"><span textstyle="" style="-webkit-tap-highlight-color: transparent; margin: 0px; padding: 0px; outline: 0px; max-width: 100%; box-sizing: border-box !important; overflow-wrap: break-word !important; color: rgb(136, 136, 136);">从空中鸟瞰“拉索” 摄影/何海洋</span></span></span></p><p><br/></p><link rel="stylesheet" href="//dyxrmt.cn/source/plugin/wcn_editor/public/wcn_editor_fit.css?v134_WAz" id="wcn_editor_css"/>
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