 What happened to Wyatt and Carpenter?
I guess I was about ten when Wyatt and Carpenter made the last attempt—that was in 2082, I think. F. No permanent installation with a human crew could survive at either extreme. He spent a week briefing Jack Stone, the third member of our party, who had arrived with the supplies and equipment a few days earlier. Anyway, Stone had borrowed three men from the Lab, and had the supplies and equipment all lined up when we got there, ready to check and test. But the only way to avoid it is to travel over the Pole, which would lose us days and offer us no guarantee of less activity to the west.
 They died when a rock slide crushed their vehicle while they were attempting the Brightside Crossing.
 They died when a rock slide crushed their vehicle while they were attempting the Brightside Crossing.  They crossed the Brightside at aphelion.  They disappeared after their ship set off for Mercury. They were on a mission to cross the Brightside.  They disappeared when they attempted to cross the Brightside at perihelion.