I agree with Jean Arnaud, as he pointed out Tsagoth's explanation wasn't very clear.

I never believed it was just a T6 skill.

I already won one game by solar tapping, and I only did that because I couldn't enter the center after having that skill.

I actually suspect it's a combination of skills much like viewing black holes. I suspect it's leveling up certain skills to level 6 (this might be Tech6), as well as combining other skills. On Lamashtu I've made some friends who will allow me to experiment until I figure it out.

I suspect the center requires being able to detect anomolies as well as being able to to cloak... I also suspect it requires being able take heavy damage... so there's some Level6 skills required... to take damage.