 Which of these was not an impact of Russell's decision to kill Dunbar?
Four men, thought Russell, held together by an invisible string of gravity, plunging through a lost pocket of hell's dark where there had never been any sound or life, with old Dunbar the first in line, taking the lead because he was older and knew where he was and where he was going. Russell had no idea now how long the four of them had been plunging toward the red-rimmed sun that never seemed to get any nearer. When the four of them had escaped from that prison colony on a sizzling hot asteroid rock in the Ronlwhyn system, that wasn't enough for Dunbar. Russell got the idea that the only way was to get rid of Dunbar. Russell screamed at Dunbar, then quieted down.
 He was able to pick the path to the correct sun
 Russell would have to travel alone  He was able to pick the path to the correct sun  It became quieter in general  Arguments increased amongst the team