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
![Baby's 100 day calculation]()
Baby's 100 day calculation
One click online calculation of baby's hundred day date
![Shelf life calculation]()
Shelf life calculation
Online food shelf life calculation tool
![Total surface area of hemisphere]()
Total surface area of hemisphere
Calculate the total surface area of a hemisphere online
![Chmod Calculator]()
Chmod Calculator
A powerful tool for quickly calculating Linux file permissions
![Wall tile usage calculator]()
Wall tile usage calculator
Help you quickly and accurately calculate the required number of wall tiles
![Relatives call calculator]()
Relatives call calculator
Chinese Family Relatives Online Calculator
![Smoking Cost Calculator]()
Smoking Cost Calculator
Assist you in estimating the actual cost of smoking, in order to better quit smoking
![Power Calculator]()
Power Calculator
Power Unit Online Conversion Tool
![Heat converter]()
Heat converter
Online Heat Conversion Tool
![Complete Collection of Tea Formulas]()
Complete Collection of Tea Formulas
Collect and organize a large number of tea recipes.
![What to eat today]()
What to eat today
Solving the problem of what to eat every day
![Flexible Calculator]()
Flexible Calculator
Online Flexible Savings and Interest Calculator
![视力训练工具]()
视力训练工具
在线视力训练与眼睛放松工具
![Compound interest calculator]()
Compound interest calculator
Online savings interest regeneration interest calculation tool
![Online acquisition of website icons]()
Online acquisition of website icons
Get the Favicon icon of the specified website online
![Guanyin Spirit Sign]()
Guanyin Spirit Sign
Online Guanyin Lottery Tool
![Ring Chart Generation Tool]()
Ring Chart Generation Tool
Generate custom circular graphs online
![Retrieve metadata from PDF files]()
Retrieve metadata from PDF files
Retrieve metadata from PDF files
![Screen online detection tool]()
Screen online detection tool
Test the saturation, color, and light leakage of the screen online
![Random MAC address]()
Random MAC address
Random MAC Address Online Generation Tool
![Robots.txt file generator]()
Robots.txt file generator
Online website robots.txt file generation tool
![University Search]()
University Search
Online search for 211 universities and 985 universities nationwide
![Commercial Loan Calculator]()
Commercial Loan Calculator
An online professional commercial loan calculator with multiple calculation methods suitable for more scenarios.
![SVG to CSS conversion]()
SVG to CSS conversion
Convert SVG to CSS background image online
粤ICP备2021116614号