English(EN) The Milky Way swallowed a smaller galaxy about 11.8 billion years ago

新研究显示，银河系在118亿年前吞噬了一个矮星系

作者 PulseAugur 编辑部 · [1 个来源] · 2026-08-18 10:30

天文学家发现了证据，表明银河系在大约118亿年前吞噬了一个较小的矮星系。这一事件发生在宇宙非常年轻的时候，是迄今为止已知的银河系最早的星系合并事件。这项研究利用了哈勃和盖亚望远镜的数据，表明这次合并通过提供恒星和气体，显著促进了银河系的增长，并影响了未来的恒星形成。 AI

排序理由该集群报告了一篇详细介绍过去天文事件的科学论文的发现。[lever_c_demoted from research: ic=1 ai=0.1]

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Signal score: 0 / 100; Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket: Tool; 该集群报告了一篇详细介绍过去天文事件的科学论文的发现。[lever_c_demoted from research: ic=1 ai=0.1]
Source corroboration: Single-source cluster; Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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SCMP — Tech TIER_1 English(EN) · Reuters · 2026-08-18 10:30

大约118亿年前，银河系吞噬了一个较小的星系

The Milky Way, a ⁠large and spiral-shaped galaxy that is home to hundreds of billions of stars including our sun, has taken a long and complicated path to achieve its current dimensions, as illustrated by new research documenting a milestone event early in its history. Scientists…