OF NEBULA. 

 Fm. 9. 



RETICULATED NEBULA. 



46. Is it so, that the unresolved nebulae (Fig. 8) 

 are made to converge towards the visible star with 

 which each is associated, but to diverge in the 

 opposite direction, because no star is there situated 

 by which the nebulae might be made to converge in 

 that direction ? 



FIG. 10. 

 NEBULA WITH BINARY STARS. 



