SP-345 Evolution of the Solar System

 

FIGURE 23.5.1.- Ratio between the orbital period TK of secondary bodies and the spin period  of the central body.

 

FIGURE 23.5.1.- Ratio between the orbital period TK of secondary bodies and the spin period [Greek letter] tau
of the central body. The latter quantity may have changed for the Sun, but not for the planets. The secondaries are grouped according to the cloud in, which they formed. From left to right are the terrestrial planets, the giant planets, outer Saturnian satellites, Galilean satellites of Jupiter. the Uranian satellites, and the inner satellites of Saturn (From Alfvén, 1962.)


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