1883- J Birth and Evolution of the Solar System. 
195 
II. THE BIRTH AND EVOLUTION OF THE 
SOLAR SYSTEM. 
Translated from pages 113 to 132 of “ Gedanken ” 
(1857, Philadelphia, published by Thomas), 
By O. Reichenbach. 
(Concluded from page 152.) 
f ^HE relations of the exterior system are inverse and 
) corresponding at the same time. It separates by 
staying behind. It is the real central mass, the peri- 
helion, Jupiter which projects. The largest concentration, 
from which the others develop themselves centrifugally, falls 
beyond the point of gravitation, which is at 7808 r solar 
distance. 
It so corresponds with regard to mass planet A to the 
Earth, Neptune to Venus ; in reference to distance from 
point of gravitation it is the reverse. It corresponds in such 
twofold manner, but again reversed — Uranus, the projection 
of A, to Mercury; planet B, the projection of Neptune, to 
Mars. We so have, as distances of those planets from 
their point of gravitation, — 
A 7808 r x 1-107 x 1*05 = 9050 r. 
Neptune — 
ZMr=6447 r. 
1*212 
Uranus — 
7808 y x ro=> 
1 ^ = 4012 r. 
1*72 x 1*107 
B 7808 r x 1*72 x 1*22 = 16360. 
We know how the mass is distributed amongst the three 
systems, and amongst the two central parts; it remains to 
find its distribution in the secondary systems. 
The mass of A is of that of Jupiter — 
1 
8*8 x f ~ 2 - ) = — - of the solar mass. 
Vro25/ 12,911 
