Sunstorm - A Time Odyssey

Completely different from the first book. If the first one sounded like it's basis is a prompt "who would win in a battle", then in this one I imagined the author reading something like "if the human brain was laid out flat, its surface would span this much", though I don't know for sure such estimations exist and how big they would be. I liked this one much, much more than the first. I liked the cast of pretty diverse characters, I like that a lot of the physics involved sounds plausible. I'm curious, how can this be concluded. The setup seems pretty fantastical.