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研究人员可能发现了一个仅比大爆炸年轻的星系

Posted on 2022-04-09

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发现宇宙中遥远的物体已经过去了好几周。正如福布斯所指出的,日本研究人员发现了可能是迄今为止已知的最遥远的星系。 HD1足够远,它的光估计有135亿年的历史,也就是大爆炸之后的3亿年。这使得它比之前的记录创造者GN-z11 早了 1 亿年,并表明它可能拥有在宇宙“黑暗时代”之后的再电离中出现的第一批(第三族)恒星。

该团队在斯皮策太空望远镜、斯巴鲁望远镜、英国红外望远镜和 VISTA 望远镜之间进行了大约 1,200 小时的观测,发现了 HD1。他们使用阿塔卡马大毫米/亚毫米阵列验证了距离,红色调表明了你对一个非常遥远的星系所期望的极端红移。

天文学家仍然想再次检查他们的结果。来自 HD1 的信号具有 99.9% 的显着性,但观察者在它们具有 99.999% 或更高的显着性之前无法确定。当詹姆斯韦伯太空望远镜使用其红外聚焦传感器观察银河系时,研究人员可能会得到这个机会。

如果科学家能够证实 HD1 的存在,那将引发许多问题。 HD1 不容易适应现有的星系形成模型,并表明早期宇宙中已经存在极其明亮的物体。并不是天文学界会介意——这将有助于完善他们的宇宙学模型。

来源: https://www.engadget.com/most-distant-known-galaxy-hd1-192050141.html?src=rss

本站文章系自动翻译,站长会周期检查,如果有不当内容,请点此留言,非常感谢。
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