Rectangular coordinate system in the solid angle calculation. FIG. 4.... | Download Scientific Diagram
![Assume the distance of the earth from the moon to be 38,400 km and the angle subtended by the moon at the eye of a person on the earth to be 31' , Assume the distance of the earth from the moon to be 38,400 km and the angle subtended by the moon at the eye of a person on the earth to be 31' ,](https://dwes9vv9u0550.cloudfront.net/images/10553366/04b2fbd2-bc02-4979-a0d1-9a59e3f03e55.jpg)
Assume the distance of the earth from the moon to be 38,400 km and the angle subtended by the moon at the eye of a person on the earth to be 31' ,
![Solid angle variation as a function of distance using equation ~1! but... | Download Scientific Diagram Solid angle variation as a function of distance using equation ~1! but... | Download Scientific Diagram](https://www.researchgate.net/publication/24199517/figure/fig3/AS:394462275620866@1471058543562/Solid-angle-variation-as-a-function-of-distance-using-equation-1-but-incorrectly.png)
Solid angle variation as a function of distance using equation ~1! but... | Download Scientific Diagram
![Calculating the solid angle for different source shapes and orientations as viewed by a detector with a cylindrical collimator - ScienceDirect Calculating the solid angle for different source shapes and orientations as viewed by a detector with a cylindrical collimator - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0168900207006262-gr3.jpg)