How can a question of stellar physics be addressed outside of a star? The thing is, one needs (or so I suppose) a perceiving system to address questions of any

How can a question of stellar physics be addressed outside of a star? The thing is, one needs (or so I suppose) a perceiving system to address questions of any sort, and why would minds be different? I am merely doubting that introspection is sufficient. I strongly suspect that most of what goes on in our brains is inaccessible to our conscious minds.