Superluminal Motion?
 blob’s actual speed of
  ejection = 5/6 x c
 moves 5 lyrs in 6 yrs
 from earth, we see
blob separation = 3 lyrs
 light from A arrives  in
2000
 from B in 2000 +6 -4
 appears that blob
moved 3 lyrs in 2 yrs
       = 1.5 x c