The pharohs certainly did make their slaves believe they controlled the weather with their brainwashing and the priests were more than happy to help him with their astronomical studies, seeing as they made that pharoah a god by doing so and benefiting from it as such
The pharohs certainly did make their slaves believe they controlled the weather with their brainwashing and the priests were more than happy to help him with their astronomical studies, seeing as they made that pharoah a god by doing so and benefiting from it as such