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combustion on the perished globe (otherwise its form 

 would be invisible to us); and lastly, lines of hydrogen, 

 the destructive agent ever ready to explode anything in 

 earth or heaven which falls within the scope of its 

 action. 



A want ot comet matter to serve for substantial nour- 

 ishment to the sun, the second cause of solar extinction, 

 enables the planetary oxygen to burn up the solar orb 

 too rapidly, which also leads to the destruction of its 

 system. 



Of the planets round a sun only those can remain 

 alive which have satellites or a moon. The moon, as 

 we saw, electrifies the planet and sustains its forces of 

 vegetation; and therefore, if the planet of a perished 

 sun is able to gain a place in some other system, it is 

 saved. It is in this conscious relation to the Universe 

 that cosmic reason is revealed in the planetary world. 



That comets do not pass by the sun, but fall upon 

 it, is shown by the system of sun spots, of which so 

 many appeared on the solar disc in 189-1. 



