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A recent study claimed that passing stars could have a serious effect on the Earth's climate, specifically with one about 56 million years ago.
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A recent study claimed that passing stars could have a serious effect on the Earth's climate, specifically with one about 56 million years ago. In a new paper, researchers disagree with that theory, examining other factors that could have influenced Earth's climate, such as the Moon and Sun. They find that even close encounters don't affect Earth's orbit on rapid timescales and shouldn't mess up our climate reconstructions over millions of years of Earth history.
No influence of passing stars on paleoclimate reconstructions over the past 56 million years
Abstract page for arXiv paper 2506.10158: No influence of passing stars on paleoclimate reconstructions over the past 56 million years
arXiv.org (arxiv.org)
