半机械人合作发现40,000个环形星系
指南者留学
2022-07-19 15:10:26
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<div class="ace-line ace-line old-record-id-doxcng0cGsqCWQyOGMXXVoLIgYd" style="text-align: justify;"><span class="p">人类和机器智能共同努力发现了40,000个环形星系,科学家们今天将在全国天文学会议上宣布。</span></div>
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<div class="ace-line ace-line old-record-id-doxcn2scS66ia0ai247VauskYXf" style="text-align: justify;"><span class="p">曼彻斯特大学的Mike Walmsley博士将介绍这项新工作,描述这种“半机械人”方法如何测量数百万个星系的形状。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnUoWaKUkouWakmOfYKDR2xh" style="text-align: justify;"><span class="p">星系过着混乱的生活。与其他星系的碰撞以及来自超大质量黑洞的能量爆发破坏了数十亿颗恒星的颜色和轨道,留下了志愿者在银河动物园网站上搜索的标记。但是,确切地了解哪些宇宙事件导致哪些标记需要数百万张测量图像 - 比人类所能搜索的还要多。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnwQsSqQ4m6W08Y6i21LlAbb" style="text-align: justify;"><span class="p">为了提供帮助,沃尔姆斯利博士呼吁“银河动物园”,该项目招募了数十万志愿者来测量数百万个星系的形态(形状)。</span></div>
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<blockquote class=" old-record-id-doxcnaMYGEWyYm0WM0ajZV2m32g" data-type="quote_container">
<div class="ace-line ace-line old-record-id-doxcn24Ic20UocwSg2RAXIIAb1c" style="text-align: center;"><span class="h6"><em>通过Zoobot,Galaxy Zoo志愿者将帮助其他天文学家解决我们从未想过要问的问题。</em></span></div>
<div class="ace-line ace-line old-record-id-doxcnuyocSU4CIIMeSimjEVHILc" style="text-align: center;"><em><strong><span class="h6">——迈克·沃姆斯利博士</span></strong></em></div>
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<div class="ace-line ace-line old-record-id-doxcnm2yAaWEEwAoSWymVKdnD2b" style="text-align: justify;"><span class="p">十年的Galaxy Zoo志愿者测量(总计超过9600万次点击)被用来创建一个自动助手 - 一种新的AI算法。该算法被亲切地命名为“Zoobot”,不仅可以准确地预测志愿者会说什么,还可以理解它可能出错的地方。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnKgMqssg446eQMdYupqhWpe" style="text-align: justify;"><span class="p">40,000个罕见的环形星系的发现是以前已知的六倍。环需要数十亿年才能形成,并在星系 - 星系碰撞中被摧毁,因此这个巨大的新样本将有助于揭示孤立的星系是如何演化的。该数据集还将告诉科学家星系如何更普遍地老化。</span></div>
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<div class="ace-line ace-line old-record-id-doxcnm2WsUQCcSWOyk3nGUL59Gf" style="text-align: justify;"><span class="p">Zoobot旨在一次又一次地为新的科学目标进行再培训。就像音乐家可以比他们的第一个乐器更快地学习新乐器一样,Zoobot可以轻松学习回答新的形状问题,因为它已经学会了回答50多个不同的问题。Walmsley博士说:“通过Zoobot,Galaxy Zoo志愿者将帮助其他天文学家解决我们从未想过要问的问题。</span></div>
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