126. 宇宙微波背景:大爆炸理论的颠覆? episode artwork

EPISODE · Jul 5, 2025 · 9 MIN

126. 宇宙微波背景:大爆炸理论的颠覆?

from 知为谁 · host 知为谁

一篇来自 YouTube 频道“Sabine Hossenfelder”的视频探讨了宇宙微波背景 (CMB) 是否被误解的可能性,CMB 曾被认为是大爆炸理论的决定性证据。视频指出,詹姆斯·韦伯太空望远镜的数据显示星系形成和成长速度远超预期,这与暗物质理论相悖。文章解释道,如果早期星系的光线加热了星际尘埃,并随着宇宙膨胀而冷却,那么这种光线的温度将与我们今天观测到的 CMB 相当,这挑战了现行的宇宙学标准模型,即ΛCDM 模型。如果 CMB 并非源于早期宇宙炽热的等离子体,而是来自早期星系,那么大部分宇宙参数可能都是错误的。内容来源:https://www.youtube.com/watch?v=KFgwQICae8c

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126. 宇宙微波背景:大爆炸理论的颠覆?

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