"He took his tablet, a bag of clothes, and a couple of days' supply of ration bars. The signal from his tablet cuts off at the same time as the grid's record of his presence. I have not been able to trace it."

There's an uneasy triple of possibilities: either Remi meant to stow away on one of the other moths, or he planned to be lost with the fragments of the station, or he is in a different universe entirely. Sasha wishes that third option seemed less likely.