MILES 



ABOVE 

 EXTREME 

 LIMIT OF 

 RAREFIED 

 ATMOSPHERE 



NOT TO 

 SCALE 



600 



500 



^0 



THE SOAP-BUBBLE SKIN 



which we know as the world's oceans in 

 relation to outer space 



25,757 million miles: Nearest star (Proxima Centaur!) 

 93 million miles: Mean distance of our sun 

 35 million miles: Mars at nearest 



238,860 miles: Mean distance of the moon 

 4,000 miles: The Farside rocket 



Limit of extremely rarefied 2itmos£here 



300 



"200 

 150 



Areai of the S£utmk. orbits 



Limit of dense aLtmo6£Kere 



Limit of ma.nned freed-baiUoou flight 



THi WORLD'S OCEANS 



Average depth: 2^3 miles 



THE EARTH (near/y 8.000 miles diameter) 

 REPRESENTED ON THIS SCALE BY 5ft CIRCLE. 



U 



25 



