Answer:Keats uses here two elaborated metaphors: one of the imagination as a charioteer who can fly into the heavens and "do strange deeds / Upon the clouds" (evidently a reference to the imagination's creative func tion), and one of poetry itself as being a planet of sound, rolling through the heavens.
 
        
             
        
        
        
he is pondering suicide and what comes after death i hope this helped! :) 
 
        
             
        
        
        
Yeah you know you can look it up right