186 
HAEOLD’S DISCUSSIONS. 
tacle through the telescope is Saturn. Its broad 
luminous rings are unique. We generally say there 
are two, but there are three, or even more. At least 
Fig. 91.—Saturn as seen in various positions of its orbit. 
(From Chambers’s Story of the Solar System.) 
there are two bright ones separated by a darker one. 
They revolve about the planet like a satellite, and 
being flat we can sometimes see them as broad bands, 
and then again, when we look at them edgewise, as 
one narrow line. They are evidently not composed 
of solid material, as stars have been seen through 
them. Besides these rings Saturn is attended by 
eight satellites. 
