光度计算器
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Example values are ready
Review the inputs, then select Calculate.Calculation formula
计算结果 = 4*pi*r**2*sigma*T**4
- r
- Radius · m
- T
- 有效温度 · K
- pi
- 3.141592653589793
- sigma
- 5.670374419e-8
Enter values to see results and the formula.
Example values are ready
Review the inputs, then select Calculate.计算结果 = 4*pi*r**2*sigma*T**4