TJEAXUS. 



21 



or nearly 1822 millions of miles from the sun, another 

 great world or planet revolves round it, it is called 

 Uranus. This planet is not so large as either Jupiter or 



3?IG. 22. 



Saturn, but is of considerable magnitude, being eighty times 

 that of this world, it takes eighty-four of our years to com- 

 plete its vast circle round the sun, which are therefore 

 equivalent to but one year of Uranus. 



PIG. 23. 



It has several satellites, four of which have been discerned 

 perfectly, but it is doubtful whether there have not been 

 two more seen. This orb was first recognised as a planet 



