Question #1300d

1 Answer
Jul 23, 2016

Planetesimals

Explanation:

The planet formation theory from planetesimals (1941)f is attributed

to Victor Safronov

Small space bodies growing in size by accretion process that is

initially non-gravitational and includes emission by thermal

photons includes emission.

Further growing in size is attributed to central attraction that keep

the constituents that become embedded together.

The consequent radial attraction from the center gives a near-

spherical surface to the planet thus formed, with almost all A - Z

elements.