A Complete Collection of 100000 Whys
Fav十万个为什么
为什么宇宙有起始和终结？
1、根据大爆炸理论，宇宙起源于约138亿年前的一次剧烈膨胀，这一理论得到了大量观测证据的支持。
2、宇宙的起始与终结可能与物理定律中的某些未解之谜有关，例如暗能量和暗物质的作用。
3、热力学第二定律指出，宇宙趋向于熵增，即无序度增加，这可能暗示着宇宙的终结状态。
4、一些理论模型预测宇宙可能经历多次膨胀和收缩的循环，即大坍缩理论，这意味着宇宙可能有多个起始和终结。
5、宇宙的起始和终结也可能与更高维度的物理现象有关，这些现象目前尚未被完全理解。
总之，宇宙的起始和终结是现代物理学和宇宙学中的核心问题，虽然我们已有一些理论解释，但仍有许多未知等待探索。
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