A Complete Collection of 100000 Whys
Fav十万个为什么
为什么大雨时天空变暗？
大雨时天空变暗，主要是由于雨滴对光线的吸收、散射和反射作用，以及云层厚度的影响。以下是具体原因：
1、雨滴吸收光线：雨滴由水组成，水会吸收一部分光线，特别是当光线穿过雨滴时，红光等波长较长的光线被吸收得更多，导致整体光线减弱。
2、雨滴散射和反射光线：雨滴会对光线进行散射和反射，改变光线的传播方向。这种散射和反射使得光线无法直接到达地面，导致天空看起来更暗。
3、云层厚度增加：大雨通常伴随着厚重的云层。云层越厚，透光性越差，能够到达地面的光线就越少，因此天空显得更加阴暗。
总结：大雨时天空变暗，主要是因为雨滴吸收、散射和反射光线，以及厚重云层阻挡光线。这些因素共同作用，减少了到达地面的光线，使天空看起来更暗。
1. This tool has compiled a vast collection of questions and answers to help answer your everyday queries.
2. Simply enter the keywords for your search directly into the input box above.
3. The data in this tool is collected from the internet; if you find any errors, please report them to us so we can correct them.
Recommended Tools
![Cuboid volume calculator]()
Cuboid volume calculator
Online calculation of rectangular volume
![Circular perimeter calculator]()
Circular perimeter calculator
Calculate the circumference of a circle online
![Cylindrical side area calculator]()
Cylindrical side area calculator
Online calculation of surface area on the side of a cylinder
![List of Regular Higher Education Institutions]()
List of Regular Higher Education Institutions
List of National Ordinary Higher Education Institutions
![Opposite Color Calculator]()
Opposite Color Calculator
An online calculation tool for taking opposite colors
![Reference Table for Children's Standard Height and Weight]()
Reference Table for Children's Standard Height and Weight
Online query of children's annotated weight and height
![File directory tree generation]()
File directory tree generation
Directory tree list for one click file generation
![JSON compression/formatting]()
JSON compression/formatting
JSON online compression/JSON online decompression formatting tool
![XML compression/formatting]()
XML compression/formatting
XML online compression/decompression formatting tool
![Interest bearing treasury bond bond yield calculator]()
Interest bearing treasury bond bond yield calculator
Online interest bearing treasury bond bond yield calculator
![HSV/CMYK Conversion]()
HSV/CMYK Conversion
HSV format color to CMYK format color conversion tool
![HTML attribute cleaning tool]()
HTML attribute cleaning tool
Clean up the attributes on the div online
![HTML/BBB conversion tool]()
HTML/BBB conversion tool
Online HTML and UBB code conversion tool
![Online image compression]()
Online image compression
Support compression of PNG, JPNG, JPG and other image formats
![JS code obfuscation]()
JS code obfuscation
Online JavaScript code obfuscation tool
![JSON verification tool]()
JSON verification tool
Verify online whether the JSON code format is correct
![Comparison Table of National Language Codes]()
Comparison Table of National Language Codes
Online search for codes corresponding to languages of various countries
![Screen illumination tool]()
Screen illumination tool
A small tool that can keep the screen lit and prevent sleep
![Pinyin Character Script Generator]()
Pinyin Character Script Generator
Online generation of Pinyin calligraphy templates for printing
![Retirement date calculator]()
Retirement date calculator
Can I help you calculate your retirement date and how many more days you need to work
![Online Text Filling Tool]()
Online Text Filling Tool
Fill in text online
![Website desktop shortcut]()
Website desktop shortcut
Add a desktop shortcut to the website for easy access
![UserAgent (ua) analysis and query]()
UserAgent (ua) analysis and query
UA online analysis and query tool
![Lucky Wheel]()
Lucky Wheel
Online lucky wheel lottery tool, customizable lottery.
粤ICP备2021116614号