Back in the 40's the c_a was young and thirsty for knowledge. Now, knowledge is power, and if you teach the slaves to read they rebel, everytime. So, the c_a locked up this knowledge under the guise of

Coronal holes are magnetically open areas on the Sun that allow high-speed solar wind to gush out into space. They appear as dark areas when seen in certain wavelengths of extreme ultraviolet light, a