Solar ami I'lancta nj Eralatlnii. 03 



of the origin of the sohir system. Thnt is precisely what 

 we may observe. (A representation of a nebuhi in the con- 

 steUation of Lyra was thrown npon the screen. See Fig- 



Two views of tlie riiii;- nebula in Lyra 



lire 7.) If we look at this nebula, we find great rifts in 

 it. and brighter spots in s(jme places, which show that there 

 is greater condensation in certain parts than elsewhere. \ 

 ni^bula in the constellation of Leo (shown npon the screen) 

 shows a marked center of attraction, with evidences of a 



Fig. 8. Xel)ula in Sword ol Orion, sliowinjj; several jwints of condensation. 



t(-ii(lency to circular motion. A nebula in Dnico (ilbistra- 

 ted from a pliotogra])h taken by Prof. Holden by the ai<l of 

 the new Lick telescope, the largest in the world) shows a 



