A Complete Collection of 100000 Whys
Fav十万个为什么
为什么天上的星星闪烁？
星星闪烁的原因主要与地球大气层有关，可以总结为以下几点：
1、大气层扰动：地球大气层并非均匀，存在温度和密度的变化。当星光穿过大气层时，光线路径因空气扰动而不断偏折，导致星光时强时弱，产生闪烁现象。
2、光散射效应：星光在大气中传播时，不同温度和湿度的空气层会使光线发生散射。当散射的光线偏离视线时，星星看起来会“消失”；当光线重新进入视线时，星星又“出现”，形成闪烁效果。
3、距离遥远：星星距离地球非常遥远，其发出的光在穿越大气层时更容易受到扰动影响，因此闪烁现象更加明显。
总结来说，星星闪烁主要是由于大气层的非均匀性和光散射效应共同作用的结果。
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