A Complete Collection of 100000 Whys
Fav十万个为什么
为什么夜晚会黑暗？
1、夜晚黑暗是因为地球自转导致太阳光无法照射到我们所在的区域。
2、太阳是地球的主要光源，当地球旋转时，太阳光只能照射到一半的地球表面。
3、地球的表面是球形的，因此太阳光只能照射到面向太阳的一面，而背向太阳的一面则处于阴影中。
4、大气层的散射和吸收作用也会影响夜晚的亮度，使得太阳光在穿过大气层后变得较弱。
5、在没有人工光源的情况下，我们周围的物体无法反射足够的太阳光，因此会感到黑暗。
总之，夜晚黑暗是因为地球的自转、太阳光的照射范围、地球的球形表面以及大气层的散射作用共同导致的。
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