“Land of the Midnight Sun,” Katie said, her curiosity piqued. “What is a Midnight Sun?”
“I’m not certain,” Erasmus said. “No one on my world knows what it is, but I believe it is what your astronomers call a black hole.”
“Now you’ve done it,” Bowen said. “You’ve stumbled onto one of his pet subjects.”
Erasmus bypassed his usual grumpiness and smiled widely.
“My theory is that the first major divergence between your world and mine was the formation of a second sun in our solar system.”
Katie nodded as if this made perfect sense.
“Most solar systems are binary,” she said, happy for an excuse to discuss one of her favorite subjects. “Ours is kind of an oddball.”
“Indeed,” Erasmus said, almost bouncing in place in his enthusiasm. “Some of your astronomers think there’s a massive, undisc
