The radiation belt, which contains "two concentric rings of charged particles trapped by Earth's magnetic fields" doesn't affect current astronauts going to and from space because they are moving too fast to be hit by the radiation.
Backcourt leadership remains a mystery fans are swooning for rookie Iman Shumpert (18 points in second game) but it's hard to imagine he won't hit a wall as last year's rookie pet, Landry Fields, did (Shumpert left in the fourth quarter Wednesday with leg cramps).