Star system's unstable nuclear path captured by artificial intelligence (5,8)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

(NUCLEAR PATH)* inside A I. As you may know, or not wish to know, Alpha Centauri is called a “star system” because it consists of three stars- two in a binary orbiting each other and a third, a red dwarf closer to Earth but appearing to be part of the same system as it’s in line of sight.