Interstellar spaceship arriving at an alien Solar System trillions of miles away
6,250 times as great as the distance from Earth to Pluto. To make such astronomical differences comprehensible we can say that the difference between these two distances is like the difference between the circumference of Earth (25,000 miles) and 4 miles.
Conquering the Sun’s Empire
Frederick I. Ordway, III
and Ronald C. Wakeford
Illustrations by Harry H-K Lange
E.P Dutton & Co., 1963
Image source: Numbers Station